31550424125005 has 4 divisors (see below), whose sum is σ = 37860508950012. Its totient is φ = 25240339300000.

The previous prime is 31550424124987. The next prime is 31550424125039. The reversal of 31550424125005 is 50052142405513.

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 6332862844324 + 25217561280681 = 2516518^2 + 5021709^2 .

It is not a de Polignac number, because 31550424125005 - 2⁹ = 31550424124493 is a prime.

It is a Duffinian number.

It is a congruent 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, 3155042412496 + ... + 3155042412505.

It is an arithmetic number, because the mean of its divisors is an integer number (9465127237503).

Almost surely, 2^{31550424125005} is an apocalyptic number.

It is an amenable number.

31550424125005 is a deficient number, since it is larger than the sum of its proper divisors (6310084825007).

31550424125005 is an equidigital number, since it uses as much as digits as its factorization.

31550424125005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310084825006.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 31550424125005 in words is "thirty-one trillion, five hundred fifty billion, four hundred twenty-four million, one hundred twenty-five thousand, five".