31933343814690 has 64 divisors (see below), whose sum is σ = 79115144048640. Its totient is φ = 8240565001920.

The previous prime is 31933343814679. The next prime is 31933343814737. The reversal of 31933343814690 is 9641834333913.

It is a super-2 number, since 2×31933343814690² (a number of 28 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 31933343814690.

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, 25719001 + ... + 26932019.

It is an arithmetic number, because the mean of its divisors is an integer number (1236174125760).

Almost surely, 2^{31933343814690} is an apocalyptic number.

31933343814690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31933343814690 is an abundant number, since it is smaller than the sum of its proper divisors (47181800233950).

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

31933343814690 is a wasteful number, since it uses less digits than its factorization.

31933343814690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241367.

The product of its (nonzero) digits is 15116544, while the sum is 57.

The spelling of 31933343814690 in words is "thirty-one trillion, nine hundred thirty-three billion, three hundred forty-three million, eight hundred fourteen thousand, six hundred ninety".