31164551316031 has 32 divisors (see below), whose sum is σ = 39717441054720. Its totient is φ = 23805399744000.

The previous prime is 31164551316001. The next prime is 31164551316043. The reversal of 31164551316031 is 13061315546113.

It is not a de Polignac number, because 31164551316031 - 2¹⁷ = 31164551184959 is a prime.

It is a super-2 number, since 2×31164551316031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31164551316001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672826 + ... + 7923496.

It is an arithmetic number, because the mean of its divisors is an integer number (1241170032960).

Almost surely, 2^{31164551316031} is an apocalyptic number.

31164551316031 is a deficient number, since it is larger than the sum of its proper divisors (8552889738689).

31164551316031 is a wasteful number, since it uses less digits than its factorization.

31164551316031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252615.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 31164551316031 in words is "thirty-one trillion, one hundred sixty-four billion, five hundred fifty-one million, three hundred sixteen thousand, thirty-one".