331745284542 has 64 divisors (see below), whose sum is σ = 759641425920. Its totient is φ = 94613720544.

The previous prime is 331745284513. The next prime is 331745284561. The reversal of 331745284542 is 245482547133.

It is a super-2 number, since 2×331745284542² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331745284491 and 331745284500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109884309 + ... + 109887327.

It is an arithmetic number, because the mean of its divisors is an integer number (11869397280).

Almost surely, 2^331745284542 is an apocalyptic number.

331745284542 is an abundant number, since it is smaller than the sum of its proper divisors (427896141378).

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

331745284542 is a wasteful number, since it uses less digits than its factorization.

331745284542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6877.

The product of its digits is 3225600, while the sum is 48.

The spelling of 331745284542 in words is "three hundred thirty-one billion, seven hundred forty-five million, two hundred eighty-four thousand, five hundred forty-two".