31350005057 has 16 divisors (see below), whose sum is σ = 36348383232. Its totient is φ = 26481895440.

The previous prime is 31350005033. The next prime is 31350005059. The reversal of 31350005057 is 75050005313.

It is not a de Polignac number, because 31350005057 - 2⁶ = 31350004993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31350005059) 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 15 ways as a sum of consecutive naturals, for example, 1311668 + ... + 1335354.

It is an arithmetic number, because the mean of its divisors is an integer number (2271773952).

Almost surely, 2^31350005057 is an apocalyptic number.

It is an amenable number.

31350005057 is a deficient number, since it is larger than the sum of its proper divisors (4998378175).

31350005057 is a wasteful number, since it uses less digits than its factorization.

31350005057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26428.

The product of its (nonzero) digits is 7875, while the sum is 29.

The spelling of 31350005057 in words is "thirty-one billion, three hundred fifty million, five thousand, fifty-seven".