31641541113 has 128 divisors (see below), whose sum is σ = 55093248000. Its totient is φ = 16039247616.

The previous prime is 31641541103. The next prime is 31641541153. The reversal of 31641541113 is 31114514613.

It is not a de Polignac number, because 31641541113 - 2⁶ = 31641541049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31641541103) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 37093995 + ... + 37094847.

It is an arithmetic number, because the mean of its divisors is an integer number (430416000).

Almost surely, 2^31641541113 is an apocalyptic number.

It is an amenable number.

31641541113 is a deficient number, since it is larger than the sum of its proper divisors (23451706887).

31641541113 is a wasteful number, since it uses less digits than its factorization.

31641541113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 982 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The spelling of 31641541113 in words is "thirty-one billion, six hundred forty-one million, five hundred forty-one thousand, one hundred thirteen".