3130560496921 has 27 divisors (see below), whose sum is σ = 3726386159517. Its totient is φ = 2626831452960.

The previous prime is 3130560496831. The next prime is 3130560496949. The reversal of 3130560496921 is 1296940650313.

The square root of 3130560496921 is 1769339.

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

3130560496921 is digitally balanced in base 2 and base 3, because in such bases 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 429796936921 + 2700763560000 = 655589^2 + 1643400^2 .

It is not a de Polignac number, because 3130560496921 - 2¹⁹ = 3130559972633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3130560436921) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 253009291 + ... + 253021663.

Almost surely, 2^{3130560496921} is an apocalyptic number.

3130560496921 is the 1769339-th square number.

3130560496921 is the 884670-th centered octagonal number.

It is an amenable number.

3130560496921 is a deficient number, since it is larger than the sum of its proper divisors (595825662596).

3130560496921 is an frugal number, since it uses more digits than its factorization.

3130560496921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24794 (or 12397 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 49.

Multiplying 3130560496921 by its sum of digits (49), we get a square (153397464349129 = 12385373²).

The spelling of 3130560496921 in words is "three trillion, one hundred thirty billion, five hundred sixty million, four hundred ninety-six thousand, nine hundred twenty-one".