1315452131 has 8 divisors (see below), whose sum is σ = 1504968960. Its totient is φ = 1126334088.

The previous prime is 1315452113. The next prime is 1315452167. The reversal of 1315452131 is 1312545131.

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-1315452131 is a prime.

It is a super-2 number, since 2×1315452131² = 3460828617904882322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1315452131.

It is not an unprimeable number, because it can be changed into a prime (1315452181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92591 + ... + 105848.

It is an arithmetic number, because the mean of its divisors is an integer number (188121120).

Almost surely, 2^1315452131 is an apocalyptic number.

1315452131 is a deficient number, since it is larger than the sum of its proper divisors (189516829).

1315452131 is an equidigital number, since it uses as much as digits as its factorization.

1315452131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199393.

The product of its digits is 1800, while the sum is 26.

The square root of 1315452131 is about 36269.1622594181. The cubic root of 1315452131 is about 1095.7000537269.

Adding to 1315452131 its reverse (1312545131), we get a palindrome (2627997262).

The spelling of 1315452131 in words is "one billion, three hundred fifteen million, four hundred fifty-two thousand, one hundred thirty-one".