331811152013238 has 32 divisors (see below), whose sum is σ = 698551451715840. Its totient is φ = 104782220356320.

The previous prime is 331811152013213. The next prime is 331811152013323. The reversal of 331811152013238 is 832310251118133.

It is a super-2 number, since 2×331811152013238² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331811152013238.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48154068 + ... + 54611688.

It is an arithmetic number, because the mean of its divisors is an integer number (21829732866120).

Almost surely, 2^{331811152013238} is an apocalyptic number.

331811152013238 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

331811152013238 is an abundant number, since it is smaller than the sum of its proper divisors (366740299702602).

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

331811152013238 is a wasteful number, since it uses less digits than its factorization.

331811152013238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6908372.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 331811152013238 in words is "three hundred thirty-one trillion, eight hundred eleven billion, one hundred fifty-two million, thirteen thousand, two hundred thirty-eight".