331333112131 has 16 divisors (see below), whose sum is σ = 398693468160. Its totient is φ = 268986813120.

The previous prime is 331333112129. The next prime is 331333112137. The reversal of 331333112131 is 131211333133.

It is a cyclic number.

It is not a de Polignac number, because 331333112131 - 2¹ = 331333112129 is a prime.

It is a super-2 number, since 2×331333112131² (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 = 331333112096 and 331333112105.

It is not an unprimeable number, because it can be changed into a prime (331333112137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247071 + ... + 850711.

It is an arithmetic number, because the mean of its divisors is an integer number (24918341760).

Almost surely, 2^331333112131 is an apocalyptic number.

331333112131 is a deficient number, since it is larger than the sum of its proper divisors (67360356029).

331333112131 is a wasteful number, since it uses less digits than its factorization.

331333112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607794.

The product of its digits is 1458, while the sum is 25.

Adding to 331333112131 its reverse (131211333133), we get a palindrome (462544445264).

The spelling of 331333112131 in words is "three hundred thirty-one billion, three hundred thirty-three million, one hundred twelve thousand, one hundred thirty-one".