31308081173030 has 16 divisors (see below), whose sum is σ = 56354979898224. Its totient is φ = 12523136072160.

The previous prime is 31308081173029. The next prime is 31308081173063. The reversal of 31308081173030 is 3037118080313.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 10678112 + ... + 13290531.

It is an arithmetic number, because the mean of its divisors is an integer number (3522186243639).

Almost surely, 2^{31308081173030} is an apocalyptic number.

31308081173030 is a deficient number, since it is larger than the sum of its proper divisors (25046898725194).

31308081173030 is a wasteful number, since it uses less digits than its factorization.

31308081173030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24099271.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 31308081173030 in words is "thirty-one trillion, three hundred eight billion, eighty-one million, one hundred seventy-three thousand, thirty".