31087777053916 has 24 divisors (see below), whose sum is σ = 61395923337840. Its totient is φ = 13643538518400.

The previous prime is 31087777053901. The next prime is 31087777053917. The reversal of 31087777053916 is 61935077778013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31087777053917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12181729545 + ... + 12181732096.

It is an arithmetic number, because the mean of its divisors is an integer number (2558163472410).

Almost surely, 2^{31087777053916} is an apocalyptic number.

It is an amenable number.

31087777053916 is a deficient number, since it is larger than the sum of its proper divisors (30308146283924).

31087777053916 is a wasteful number, since it uses less digits than its factorization.

31087777053916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24363461685 (or 24363461683 counting only the distinct ones).

The product of its (nonzero) digits is 46675440, while the sum is 64.

The spelling of 31087777053916 in words is "thirty-one trillion, eighty-seven billion, seven hundred seventy-seven million, fifty-three thousand, nine hundred sixteen".