315522231253291 has 2 divisors, whose sum is σ = 315522231253292. Its totient is φ = 315522231253290.

The previous prime is 315522231253249. The next prime is 315522231253297. The reversal of 315522231253291 is 192352132225513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315522231253291 - 2¹³ = 315522231245099 is a prime.

It is not a weakly prime, because it can be changed into another prime (315522231253297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157761115626645 + 157761115626646.

It is an arithmetic number, because the mean of its divisors is an integer number (157761115626646).

Almost surely, 2^{315522231253291} is an apocalyptic number.

315522231253291 is a deficient number, since it is larger than the sum of its proper divisors (1).

315522231253291 is an equidigital number, since it uses as much as digits as its factorization.

315522231253291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 46.

The spelling of 315522231253291 in words is "three hundred fifteen trillion, five hundred twenty-two billion, two hundred thirty-one million, two hundred fifty-three thousand, two hundred ninety-one".