31677250137 has 32 divisors (see below), whose sum is σ = 46675440000. Its totient is φ = 18985274880.

The previous prime is 31677250123. The next prime is 31677250183. The reversal of 31677250137 is 73105277613.

It is not a de Polignac number, because 31677250137 - 2²⁶ = 31610141273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31677250537) 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, 921739 + ... + 955487.

It is an arithmetic number, because the mean of its divisors is an integer number (1458607500).

Almost surely, 2^31677250137 is an apocalyptic number.

It is an amenable number.

31677250137 is a deficient number, since it is larger than the sum of its proper divisors (14998189863).

31677250137 is a wasteful number, since it uses less digits than its factorization.

31677250137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34393.

The product of its (nonzero) digits is 185220, while the sum is 42.

The spelling of 31677250137 in words is "thirty-one billion, six hundred seventy-seven million, two hundred fifty thousand, one hundred thirty-seven".