31314540141 has 80 divisors (see below), whose sum is σ = 51372921600. Its totient is φ = 18920950272.

The previous prime is 31314540097. The next prime is 31314540143. The reversal of 31314540141 is 14104541313.

It is not a de Polignac number, because 31314540141 - 2¹¹ = 31314538093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31314540143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20085520 + ... + 20087078.

It is an arithmetic number, because the mean of its divisors is an integer number (642161520).

Almost surely, 2^31314540141 is an apocalyptic number.

It is an amenable number.

31314540141 is a deficient number, since it is larger than the sum of its proper divisors (20058381459).

31314540141 is a wasteful number, since it uses less digits than its factorization.

31314540141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 31314540141 in words is "thirty-one billion, three hundred fourteen million, five hundred forty thousand, one hundred forty-one".