31534530552505 has 4 divisors (see below), whose sum is σ = 37841436663012. Its totient is φ = 25227624442000.

The previous prime is 31534530552487. The next prime is 31534530552521. The reversal of 31534530552505 is 50525503543513.

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 13653497964096 + 17881032588409 = 3695064^2 + 4228597^2 .

It is not a de Polignac number, because 31534530552505 - 2²⁵ = 31534496998073 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, 3153453055246 + ... + 3153453055255.

It is an arithmetic number, because the mean of its divisors is an integer number (9460359165753).

Almost surely, 2^{31534530552505} is an apocalyptic number.

It is an amenable number.

31534530552505 is a deficient number, since it is larger than the sum of its proper divisors (6306906110507).

31534530552505 is an equidigital number, since it uses as much as digits as its factorization.

31534530552505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306906110506.

The product of its (nonzero) digits is 3375000, while the sum is 46.

The spelling of 31534530552505 in words is "thirty-one trillion, five hundred thirty-four billion, five hundred thirty million, five hundred fifty-two thousand, five hundred five".