331213102131 has 8 divisors (see below), whose sum is σ = 453553076944. Its totient is φ = 214840931040.

The previous prime is 331213102123. The next prime is 331213102141. The reversal of 331213102131 is 131201312133.

It is a happy number.

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

It is not a de Polignac number, because 331213102131 - 2³ = 331213102123 is a prime.

It is a super-2 number, since 2×331213102131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331213102098 and 331213102107.

It is not an unprimeable number, because it can be changed into a prime (331213102141) 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, 1491950800 + ... + 1491951021.

It is an arithmetic number, because the mean of its divisors is an integer number (56694134618).

Almost surely, 2^331213102131 is an apocalyptic number.

331213102131 is a deficient number, since it is larger than the sum of its proper divisors (122339974813).

331213102131 is a wasteful number, since it uses less digits than its factorization.

331213102131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983901861.

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

Adding to 331213102131 its reverse (131201312133), we get a palindrome (462414414264).

The spelling of 331213102131 in words is "three hundred thirty-one billion, two hundred thirteen million, one hundred two thousand, one hundred thirty-one".