315214544191 has 2 divisors, whose sum is σ = 315214544192. Its totient is φ = 315214544190.

The previous prime is 315214544147. The next prime is 315214544321. The reversal of 315214544191 is 191445412513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315214544191 - 2¹⁹ = 315214019903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315214544101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157607272095 + 157607272096.

It is an arithmetic number, because the mean of its divisors is an integer number (157607272096).

Almost surely, 2^315214544191 is an apocalyptic number.

315214544191 is a deficient number, since it is larger than the sum of its proper divisors (1).

315214544191 is an equidigital number, since it uses as much as digits as its factorization.

315214544191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 40.

The spelling of 315214544191 in words is "three hundred fifteen billion, two hundred fourteen million, five hundred forty-four thousand, one hundred ninety-one".