31927284258051 has 128 divisors (see below), whose sum is σ = 55149551091712. Its totient is φ = 15978047040000.

The previous prime is 31927284258029. The next prime is 31927284258059. The reversal of 31927284258051 is 15085248272913.

It is not a de Polignac number, because 31927284258051 - 2²² = 31927280063747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31927284257982 and 31927284258000.

It is not an unprimeable number, because it can be changed into a prime (31927284258059) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 158385876 + ... + 158587326.

It is an arithmetic number, because the mean of its divisors is an integer number (430855867904).

Almost surely, 2^{31927284258051} is an apocalyptic number.

31927284258051 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

31927284258051 is a deficient number, since it is larger than the sum of its proper divisors (23222266833661).

31927284258051 is a wasteful number, since it uses less digits than its factorization.

31927284258051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201873.

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 31927284258051 in words is "thirty-one trillion, nine hundred twenty-seven billion, two hundred eighty-four million, two hundred fifty-eight thousand, fifty-one".