314320215257 has 2 divisors, whose sum is σ = 314320215258. Its totient is φ = 314320215256.

The previous prime is 314320215217. The next prime is 314320215283. The reversal of 314320215257 is 752512023413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313666083481 + 654131776 = 560059^2 + 25576^2 .

It is a cyclic number.

It is not a de Polignac number, because 314320215257 - 2²⁶ = 314253106393 is a prime.

It is not a weakly prime, because it can be changed into another prime (314320215217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157160107628 + 157160107629.

It is an arithmetic number, because the mean of its divisors is an integer number (157160107629).

Almost surely, 2^314320215257 is an apocalyptic number.

It is an amenable number.

314320215257 is a deficient number, since it is larger than the sum of its proper divisors (1).

314320215257 is an equidigital number, since it uses as much as digits as its factorization.

314320215257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 314320215257 in words is "three hundred fourteen billion, three hundred twenty million, two hundred fifteen thousand, two hundred fifty-seven".