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31020011120113 = 308961687162791
BaseRepresentation
bin1110000110110011010001…
…01111100110010111110001
311001211111001220120102010221
413003121220233212113301
513031212440321320423
6145550221341253041
76351056536015261
oct703315057462761
9131744056512127
1031020011120113
11997a570650744
12358ba76b64181
1314402364a7062
1479353b3717a1
1538bd7d255e5d
hex1c3668be65f1

31020011120113 has 8 divisors (see below), whose sum is σ = 31030746848640. Its totient is φ = 31009275846720.

The previous prime is 31020011120101. The next prime is 31020011120233. The reversal of 31020011120113 is 31102111002013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31020011120113 - 217 = 31020010989041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31020011120513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190469748 + ... + 190632538.

It is an arithmetic number, because the mean of its divisors is an integer number (3878843356080).

Almost surely, 231020011120113 is an apocalyptic number.

It is an amenable number.

31020011120113 is a deficient number, since it is larger than the sum of its proper divisors (10735728527).

31020011120113 is a wasteful number, since it uses less digits than its factorization.

31020011120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227567.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 31020011120113 its reverse (31102111002013), we get a palindrome (62122122122126).

The spelling of 31020011120113 in words is "thirty-one trillion, twenty billion, eleven million, one hundred twenty thousand, one hundred thirteen".

Divisors: 1 3089 61687 162791 190551143 502861399 10042088417 31020011120113