6315465401531 has 32 divisors (see below), whose sum is σ = 7495233177600. Its totient is φ = 5245910167680.

The previous prime is 6315465401527. The next prime is 6315465401537. The reversal of 6315465401531 is 1351045645136.

It is not a de Polignac number, because 6315465401531 - 2² = 6315465401527 is a prime.

It is a super-2 number, since 2×6315465401531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6315465401537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5154305 + ... + 6260813.

It is an arithmetic number, because the mean of its divisors is an integer number (234226036800).

Almost surely, 2^{6315465401531} is an apocalyptic number.

6315465401531 is a deficient number, since it is larger than the sum of its proper divisors (1179767776069).

6315465401531 is a wasteful number, since it uses less digits than its factorization.

6315465401531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106939.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 6315465401531 in words is "six trillion, three hundred fifteen billion, four hundred sixty-five million, four hundred one thousand, five hundred thirty-one".