315453054646531 has 4 divisors (see below), whose sum is σ = 315494953054200. Its totient is φ = 315411156238864.

The previous prime is 315453054646519. The next prime is 315453054646549. The reversal of 315453054646531 is 135646450354513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315453054646531 - 2⁹ = 315453054646019 is a prime.

It is a super-2 number, since 2×315453054646531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315453054646571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20949192541 + ... + 20949207598.

It is an arithmetic number, because the mean of its divisors is an integer number (78873738263550).

Almost surely, 2^{315453054646531} is an apocalyptic number.

315453054646531 is a deficient number, since it is larger than the sum of its proper divisors (41898407669).

315453054646531 is an equidigital number, since it uses as much as digits as its factorization.

315453054646531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41898407668.

The product of its (nonzero) digits is 38880000, while the sum is 55.

The spelling of 315453054646531 in words is "three hundred fifteen trillion, four hundred fifty-three billion, fifty-four million, six hundred forty-six thousand, five hundred thirty-one".