31534064460 has 72 divisors (see below), whose sum is σ = 96600447216. Its totient is φ = 8325820800.

The previous prime is 31534064453. The next prime is 31534064479. The reversal of 31534064460 is 6446043513.

31534064460 is a `hidden beast` number, since 3 + 1 + 5 + 3 + 4 + 0 + 644 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 849094 + ... + 885453.

It is an arithmetic number, because the mean of its divisors is an integer number (1341672878).

Almost surely, 2^31534064460 is an apocalyptic number.

31534064460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31534064460 is an abundant number, since it is smaller than the sum of its proper divisors (65066382756).

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

31534064460 is a wasteful number, since it uses less digits than its factorization.

31534064460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734663 (or 1734658 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 31534064460 in words is "thirty-one billion, five hundred thirty-four million, sixty-four thousand, four hundred sixty".