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3121130230113 = 371740926598039
BaseRepresentation
bin101101011010110001110…
…110111101000101100001
3102001101011221011112012010
4231122301312331011201
5402114033314330423
610345454420423133
7441331342140030
oct55326166750541
912041157145163
103121130230113
11aa3733713475
12424a90247aa9
13198423c2088c
14ab0c63aa717
15562c3a52693
hex2d6b1dbd161

3121130230113 has 64 divisors (see below), whose sum is σ = 5050612224000. Its totient is φ = 1673648953344.

The previous prime is 3121130230087. The next prime is 3121130230117. The reversal of 3121130230113 is 3110320311213.

It is a happy number.

It is not a de Polignac number, because 3121130230113 - 216 = 3121130164577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 3121130230113.

It is not an unprimeable number, because it can be changed into a prime (3121130230117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 388244548 + ... + 388252586.

It is an arithmetic number, because the mean of its divisors is an integer number (78915816000).

Almost surely, 23121130230113 is an apocalyptic number.

It is an amenable number.

3121130230113 is a deficient number, since it is larger than the sum of its proper divisors (1929481993887).

3121130230113 is a wasteful number, since it uses less digits than its factorization.

3121130230113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11134.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 3121130230113 its reverse (3110320311213), we get a palindrome (6231450541326).

The spelling of 3121130230113 in words is "three trillion, one hundred twenty-one billion, one hundred thirty million, two hundred thirty thousand, one hundred thirteen".

Divisors: 1 3 7 17 21 51 119 357 409 1227 2659 2863 6953 7977 8039 8589 18613 20859 24117 45203 48671 55839 56273 135609 136663 146013 168819 316421 409989 949263 956641 1087531 2869923 3262593 3287951 7612717 9863853 18488027 21375701 22838151 23015657 55464081 55895167 64127103 69046971 129416189 149629907 167685501 363386917 388248567 391266169 448889721 1090160751 1173798507 2543708419 7631125257 8742661709 26227985127 61198631963 148625249053 183595895889 445875747159 1040376743371 3121130230113