315032250397 has 2 divisors, whose sum is σ = 315032250398. Its totient is φ = 315032250396.

The previous prime is 315032250371. The next prime is 315032250419. The reversal of 315032250397 is 793052230513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188368152196 + 126664098201 = 434014^2 + 355899^2 .

It is a cyclic number.

It is not a de Polignac number, because 315032250397 - 2³¹ = 312884766749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315032220397) 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 as a sum of consecutive naturals, namely, 157516125198 + 157516125199.

It is an arithmetic number, because the mean of its divisors is an integer number (157516125199).

Almost surely, 2^315032250397 is an apocalyptic number.

It is an amenable number.

315032250397 is a deficient number, since it is larger than the sum of its proper divisors (1).

315032250397 is an equidigital number, since it uses as much as digits as its factorization.

315032250397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 40.

The spelling of 315032250397 in words is "three hundred fifteen billion, thirty-two million, two hundred fifty thousand, three hundred ninety-seven".