31077712135503 has 20 divisors (see below), whose sum is σ = 50645160518568. Its totient is φ = 18834977051280.

The previous prime is 31077712135427. The next prime is 31077712135529. The reversal of 31077712135503 is 30553121777013.

31077712135503 is a `hidden beast` number, since 3 + 1 + 0 + 7 + 7 + 7 + 1 + 2 + 135 + 503 = 666.

It is not a de Polignac number, because 31077712135503 - 2²² = 31077707941199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31077712135543) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17439792676 + ... + 17439794457.

Almost surely, 2^{31077712135503} is an apocalyptic number.

31077712135503 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31077712135503 is a deficient number, since it is larger than the sum of its proper divisors (19567448383065).

31077712135503 is a wasteful number, since it uses less digits than its factorization.

31077712135503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34879587156 (or 34879587147 counting only the distinct ones).

The product of its (nonzero) digits is 463050, while the sum is 45.

The spelling of 31077712135503 in words is "thirty-one trillion, seventy-seven billion, seven hundred twelve million, one hundred thirty-five thousand, five hundred three".