315453054644291 has 2 divisors, whose sum is σ = 315453054644292. Its totient is φ = 315453054644290.

The previous prime is 315453054644267. The next prime is 315453054644327. The reversal of 315453054644291 is 192446450354513.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (192446450354513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315453054644291 - 2⁴² = 311055008133187 is a prime.

It is not a weakly prime, because it can be changed into another prime (315453054644201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157726527322145 + 157726527322146.

It is an arithmetic number, because the mean of its divisors is an integer number (157726527322146).

Almost surely, 2^{315453054644291} is an apocalyptic number.

315453054644291 is a deficient number, since it is larger than the sum of its proper divisors (1).

315453054644291 is an equidigital number, since it uses as much as digits as its factorization.

315453054644291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104000, while the sum is 56.

The spelling of 315453054644291 in words is "three hundred fifteen trillion, four hundred fifty-three billion, fifty-four million, six hundred forty-four thousand, two hundred ninety-one".