311431003323042 has 64 divisors (see below), whose sum is σ = 639871172553600. Its totient is φ = 100977013992960.

The previous prime is 311431003323017. The next prime is 311431003323109. The reversal of 311431003323042 is 240323300134113.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21083941117 + ... + 21083955887.

It is an arithmetic number, because the mean of its divisors is an integer number (9997987071150).

Almost surely, 2^{311431003323042} is an apocalyptic number.

311431003323042 is an abundant number, since it is smaller than the sum of its proper divisors (328440169230558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311431003323042 is a wasteful number, since it uses less digits than its factorization.

311431003323042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34371.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 311431003323042 its reverse (240323300134113), we get a palindrome (551754303457155).

The spelling of 311431003323042 in words is "three hundred eleven trillion, four hundred thirty-one billion, three million, three hundred twenty-three thousand, forty-two".