31865054067396 has 405 divisors, whose sum is σ = 92526676807565. Its totient is φ = 9239595235200.

The previous prime is 31865054067361. The next prime is 31865054067443. The reversal of 31865054067396 is 69376045056813.

The square root of 31865054067396 is 5644914.

It is a perfect power (a square), and thus also a powerful number.

31865054067396 is a `hidden beast` number, since 3 + 1 + 8 + 6 + 50 + 540 + 6 + 7 + 39 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6118766220996 + 25746287846400 = 2473614^2 + 5074080^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 358034315320 + ... + 358034315408.

Almost surely, 2^{31865054067396} is an apocalyptic number.

31865054067396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

31865054067396 is the 5644914-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31865054067396

31865054067396 is an abundant number, since it is smaller than the sum of its proper divisors (60661622740169).

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

31865054067396 is an frugal number, since it uses more digits than its factorization.

31865054067396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 63.

The spelling of 31865054067396 in words is "thirty-one trillion, eight hundred sixty-five billion, fifty-four million, sixty-seven thousand, three hundred ninety-six".