31860474854 has 16 divisors (see below), whose sum is σ = 51470209728. Its totient is φ = 14703894912.

The previous prime is 31860474803. The next prime is 31860474857. The reversal of 31860474854 is 45847406813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31860474857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533699 + ... + 590385.

It is an arithmetic number, because the mean of its divisors is an integer number (3216888108).

Almost surely, 2^31860474854 is an apocalyptic number.

31860474854 is a deficient number, since it is larger than the sum of its proper divisors (19609734874).

31860474854 is a wasteful number, since it uses less digits than its factorization.

31860474854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78319.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 31860474854 in words is "thirty-one billion, eight hundred sixty million, four hundred seventy-four thousand, eight hundred fifty-four".