1315563264431 has 8 divisors (see below), whose sum is σ = 1417857869904. Its totient is φ = 1213425434880.

The previous prime is 1315563264397. The next prime is 1315563264451. The reversal of 1315563264431 is 1344623655131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315563264431 is a prime.

It is a super-2 number, since 2×1315563264431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315563264451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39176546 + ... + 39210111.

It is an arithmetic number, because the mean of its divisors is an integer number (177232233738).

Almost surely, 2^{1315563264431} is an apocalyptic number.

1315563264431 is a deficient number, since it is larger than the sum of its proper divisors (102294605473).

1315563264431 is a wasteful number, since it uses less digits than its factorization.

1315563264431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78387961.

The product of its digits is 777600, while the sum is 44.

The spelling of 1315563264431 in words is "one trillion, three hundred fifteen billion, five hundred sixty-three million, two hundred sixty-four thousand, four hundred thirty-one".