131040123305 has 48 divisors (see below), whose sum is σ = 204841825920. Its totient is φ = 78578532864.

The previous prime is 131040123251. The next prime is 131040123311. The reversal of 131040123305 is 503321040131.

It is not a de Polignac number, because 131040123305 - 2²⁴ = 131023346089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 470612 + ... + 695381.

It is an arithmetic number, because the mean of its divisors is an integer number (4267538040).

Almost surely, 2^131040123305 is an apocalyptic number.

It is an amenable number.

131040123305 is a deficient number, since it is larger than the sum of its proper divisors (73801702615).

131040123305 is a wasteful number, since it uses less digits than its factorization.

131040123305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166050 (or 1166037 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 131040123305 its reverse (503321040131), we get a palindrome (634361163436).

The spelling of 131040123305 in words is "one hundred thirty-one billion, forty million, one hundred twenty-three thousand, three hundred five".