31326522049 has 9 divisors (see below), whose sum is σ = 31476797697. Its totient is φ = 31176962964.

The previous prime is 31326522041. The next prime is 31326522079. The reversal of 31326522049 is 94022562313.

The square root of 31326522049 is 176993.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 31326522049 - 2³ = 31326522041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31326521999 and 31326522017.

It is not an unprimeable number, because it can be changed into a prime (31326522041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 67080114 + ... + 67080580.

Almost surely, 2^31326522049 is an apocalyptic number.

31326522049 is the 176993-rd square number.

31326522049 is the 88497-th centered octagonal number.

It is an amenable number.

31326522049 is a deficient number, since it is larger than the sum of its proper divisors (150275648).

31326522049 is an frugal number, since it uses more digits than its factorization.

31326522049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 31326522049 in words is "thirty-one billion, three hundred twenty-six million, five hundred twenty-two thousand, forty-nine".