3131113010021 has 8 divisors (see below), whose sum is σ = 3170822044800. Its totient is φ = 3091405842720.

The previous prime is 3131113010017. The next prime is 3131113010023. The reversal of 3131113010021 is 1200103111313.

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 3131113010021 - 2² = 3131113010017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131113010023) 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, 3077201 + ... + 3966281.

It is an arithmetic number, because the mean of its divisors is an integer number (396352755600).

Almost surely, 2^{3131113010021} is an apocalyptic number.

It is an amenable number.

3131113010021 is a deficient number, since it is larger than the sum of its proper divisors (39709034779).

3131113010021 is an equidigital number, since it uses as much as digits as its factorization.

3131113010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933739.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 3131113010021 its reverse (1200103111313), we get a palindrome (4331216121334).

The spelling of 3131113010021 in words is "three trillion, one hundred thirty-one billion, one hundred thirteen million, ten thousand, twenty-one".