1313103625 has 16 divisors (see below), whose sum is σ = 1673627904. Its totient is φ = 1028127600.

The previous prime is 1313103593. The next prime is 1313103653. The reversal of 1313103625 is 5263013131.

It is not a de Polignac number, because 1313103625 - 2⁵ = 1313103593 is a prime.

It is a super-2 number, since 2×1313103625² = 3448482259976281250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 1313103625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105879 + ... + 117628.

It is an arithmetic number, because the mean of its divisors is an integer number (104601744).

Almost surely, 2^1313103625 is an apocalyptic number.

It is an amenable number.

1313103625 is a deficient number, since it is larger than the sum of its proper divisors (360524279).

1313103625 is an equidigital number, since it uses as much as digits as its factorization.

1313103625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223569 (or 223559 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1313103625 is about 36236.7717243134. The cubic root of 1313103625 is about 1095.0476060563.

Adding to 1313103625 its reverse (5263013131), we get a palindrome (6576116756).

The spelling of 1313103625 in words is "one billion, three hundred thirteen million, one hundred three thousand, six hundred twenty-five".