1313131263125 has 20 divisors (see below), whose sum is σ = 1790060547264. Its totient is φ = 955004550000.

The previous prime is 1313131263113. The next prime is 1313131263137. The reversal of 1313131263125 is 5213621313131.

It is an interprime number because it is at equal distance from previous prime (1313131263113) and next prime (1313131263137).

It is not a de Polignac number, because 1313131263125 - 2⁶ = 1313131263061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313131263091 and 1313131263100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 95493581 + ... + 95507330.

Almost surely, 2^{1313131263125} is an apocalyptic number.

It is an amenable number.

1313131263125 is a deficient number, since it is larger than the sum of its proper divisors (476929284139).

1313131263125 is an equidigital number, since it uses as much as digits as its factorization.

1313131263125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191000942 (or 191000927 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

Adding to 1313131263125 its reverse (5213621313131), we get a palindrome (6526752576256).

The spelling of 1313131263125 in words is "one trillion, three hundred thirteen billion, one hundred thirty-one million, two hundred sixty-three thousand, one hundred twenty-five".