3157270913 has 2 divisors, whose sum is σ = 3157270914. Its totient is φ = 3157270912.

The previous prime is 3157270843. The next prime is 3157270967. The reversal of 3157270913 is 3190727513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2798092609 + 359178304 = 52897^2 + 18952^2 .

It is a cyclic number.

It is not a de Polignac number, because 3157270913 - 2¹⁰ = 3157269889 is a prime.

It is not a weakly prime, because it can be changed into another prime (3157270993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578635456 + 1578635457.

It is an arithmetic number, because the mean of its divisors is an integer number (1578635457).

Almost surely, 2^3157270913 is an apocalyptic number.

It is an amenable number.

3157270913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3157270913 is an equidigital number, since it uses as much as digits as its factorization.

3157270913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 3157270913 is about 56189.5979074419. The cubic root of 3157270913 is about 1467.0242163806.

The spelling of 3157270913 in words is "three billion, one hundred fifty-seven million, two hundred seventy thousand, nine hundred thirteen".