31540100512 has 12 divisors (see below), whose sum is σ = 62094572946. Its totient is φ = 15770050240.

The previous prime is 31540100497. The next prime is 31540100531. The reversal of 31540100512 is 21500104513.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28064290576 + 3475809936 = 167524^2 + 58956^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 492814039 + ... + 492814102.

Almost surely, 2^31540100512 is an apocalyptic number.

31540100512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31540100512 is a deficient number, since it is larger than the sum of its proper divisors (30554472434).

31540100512 is an equidigital number, since it uses as much as digits as its factorization.

31540100512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985628151 (or 985628143 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 31540100512 in words is "thirty-one billion, five hundred forty million, one hundred thousand, five hundred twelve".