31452513542105 has 4 divisors (see below), whose sum is σ = 37743016250532. Its totient is φ = 25162010833680.

The previous prime is 31452513542071. The next prime is 31452513542111. The reversal of 31452513542105 is 50124531525413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23258280963856 + 8194232578249 = 4822684^2 + 2862557^2 .

It is not a de Polignac number, because 31452513542105 - 2³⁰ = 31451439800281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3145251354206 + ... + 3145251354215.

It is an arithmetic number, because the mean of its divisors is an integer number (9435754062633).

Almost surely, 2^{31452513542105} is an apocalyptic number.

It is an amenable number.

31452513542105 is a deficient number, since it is larger than the sum of its proper divisors (6290502708427).

31452513542105 is an equidigital number, since it uses as much as digits as its factorization.

31452513542105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290502708426.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 31452513542105 in words is "thirty-one trillion, four hundred fifty-two billion, five hundred thirteen million, five hundred forty-two thousand, one hundred five".