31118158101 has 16 divisors (see below), whose sum is σ = 41895201920. Its totient is φ = 20543492160.

The previous prime is 31118158073. The next prime is 31118158103. The reversal of 31118158101 is 10185181113.

It is a de Polignac number, because none of the positive numbers 2^k-31118158101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31118158103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572751 + ... + 624723.

It is an arithmetic number, because the mean of its divisors is an integer number (2618450120).

Almost surely, 2^31118158101 is an apocalyptic number.

It is an amenable number.

31118158101 is a deficient number, since it is larger than the sum of its proper divisors (10777043819).

31118158101 is a wasteful number, since it uses less digits than its factorization.

31118158101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53916.

The product of its (nonzero) digits is 960, while the sum is 30.

The spelling of 31118158101 in words is "thirty-one billion, one hundred eighteen million, one hundred fifty-eight thousand, one hundred one".