31556464655254 has 64 divisors (see below), whose sum is σ = 59264077565952. Its totient is φ = 12242793780000.

The previous prime is 31556464655251. The next prime is 31556464655267. The reversal of 31556464655254 is 45255646465513.

It is a junction number, because it is equal to n+sod(n) for n = 31556464655192 and 31556464655201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31556464655251) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 163912719 + ... + 164105125.

It is an arithmetic number, because the mean of its divisors is an integer number (926001211968).

Almost surely, 2^{31556464655254} is an apocalyptic number.

31556464655254 is a deficient number, since it is larger than the sum of its proper divisors (27707612910698).

31556464655254 is a wasteful number, since it uses less digits than its factorization.

31556464655254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196921.

The product of its digits is 259200000, while the sum is 61.

The spelling of 31556464655254 in words is "thirty-one trillion, five hundred fifty-six billion, four hundred sixty-four million, six hundred fifty-five thousand, two hundred fifty-four".