5311531205 has 8 divisors (see below), whose sum is σ = 6380531352. Its totient is φ = 4244762368.

The previous prime is 5311531193. The next prime is 5311531273. The reversal of 5311531205 is 5021351135.

It is a happy number.

5311531205 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2660161 + 5308871044 = 1631^2 + 72862^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5311531205 - 2¹⁰ = 5311530181 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 7 ways as a sum of consecutive naturals, for example, 552584 + ... + 562113.

It is an arithmetic number, because the mean of its divisors is an integer number (797566419).

Almost surely, 2^5311531205 is an apocalyptic number.

It is an amenable number.

5311531205 is a deficient number, since it is larger than the sum of its proper divisors (1069000147).

5311531205 is a wasteful number, since it uses less digits than its factorization.

5311531205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115655.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 5311531205 is about 72880.2525036789. The cubic root of 5311531205 is about 1744.7769388360.

The spelling of 5311531205 in words is "five billion, three hundred eleven million, five hundred thirty-one thousand, two hundred five".