31845804454 has 16 divisors (see below), whose sum is σ = 48042771840. Its totient is φ = 15831725760.

The previous prime is 31845804437. The next prime is 31845804479. The reversal of 31845804454 is 45440854813.

It is a super-2 number, since 2×31845804454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 316684 + ... + 404944.

It is an arithmetic number, because the mean of its divisors is an integer number (3002673240).

Almost surely, 2^31845804454 is an apocalyptic number.

31845804454 is a deficient number, since it is larger than the sum of its proper divisors (16196967386).

31845804454 is a wasteful number, since it uses less digits than its factorization.

31845804454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89295.

The product of its (nonzero) digits is 1228800, while the sum is 46.

The spelling of 31845804454 in words is "thirty-one billion, eight hundred forty-five million, eight hundred four thousand, four hundred fifty-four".