331131112023131 has 8 divisors (see below), whose sum is σ = 400696471692000. Its totient is φ = 267130981127808.

The previous prime is 331131112023121. The next prime is 331131112023137. The reversal of 331131112023131 is 131320211131133.

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

It is a de Polignac number, because none of the positive numbers 2^k-331131112023131 is a prime.

It is a super-2 number, since 2×331131112023131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331131112023131.

It is not an unprimeable number, because it can be changed into a prime (331131112023137) 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, 1391307193256 + ... + 1391307193493.

It is an arithmetic number, because the mean of its divisors is an integer number (50087058961500).

Almost surely, 2^{331131112023131} is an apocalyptic number.

331131112023131 is a deficient number, since it is larger than the sum of its proper divisors (69565359668869).

331131112023131 is a wasteful number, since it uses less digits than its factorization.

331131112023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782614386773.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 331131112023131 its reverse (131320211131133), we get a palindrome (462451323154264).

The spelling of 331131112023131 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, one hundred twelve million, twenty-three thousand, one hundred thirty-one".