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3131041002121 = 125411529916319
BaseRepresentation
bin101101100100000000100…
…101100011001010001001
3102002022202122000220112001
4231210000211203022021
5402244332444031441
610354214054551001
7442132054253044
oct55440045431211
912068678026461
103131041002121
11aa795a02413a
12426997368461
13199343299606
14ab786743c5b
15566a3b87731
hex2d900963289

3131041002121 has 8 divisors (see below), whose sum is σ = 3131687232000. Its totient is φ = 3130394860560.

The previous prime is 3131041002079. The next prime is 3131041002127. The reversal of 3131041002121 is 1212001401313.

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 3131041002121 - 233 = 3122451067529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131041002127) 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, 191856600 + ... + 191872918.

It is an arithmetic number, because the mean of its divisors is an integer number (391460904000).

Almost surely, 23131041002121 is an apocalyptic number.

It is an amenable number.

3131041002121 is a deficient number, since it is larger than the sum of its proper divisors (646229879).

3131041002121 is a wasteful number, since it uses less digits than its factorization.

3131041002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44159.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 3131041002121 its reverse (1212001401313), we get a palindrome (4343042403434).

The spelling of 3131041002121 in words is "three trillion, one hundred thirty-one billion, forty-one million, two thousand, one hundred twenty-one".

Divisors: 1 12541 15299 16319 191864759 204656579 249664381 3131041002121