31380833448216 has 96 divisors (see below), whose sum is σ = 102243317030400. Its totient is φ = 8494060178880.

The previous prime is 31380833448199. The next prime is 31380833448271. The reversal of 31380833448216 is 61284433808313.

It is a happy number.

31380833448216 is a `hidden beast` number, since 3 + 1 + 3 + 8 + 0 + 83 + 344 + 8 + 216 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1638505120 + ... + 1638524271.

It is an arithmetic number, because the mean of its divisors is an integer number (1065034552400).

Almost surely, 2^{31380833448216} is an apocalyptic number.

31380833448216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

31380833448216 is an abundant number, since it is smaller than the sum of its proper divisors (70862483582184).

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

31380833448216 is a wasteful number, since it uses less digits than its factorization.

31380833448216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277029429 (or 3277029422 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 31380833448216 in words is "thirty-one trillion, three hundred eighty billion, eight hundred thirty-three million, four hundred forty-eight thousand, two hundred sixteen".