1310311051525 has 24 divisors (see below), whose sum is σ = 1857023625024. Its totient is φ = 898438195200.

The previous prime is 1310311051519. The next prime is 1310311051573. The reversal of 1310311051525 is 5251501130131.

It is not a de Polignac number, because 1310311051525 - 2¹³ = 1310311043333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310311051493 and 1310311051502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2420010 + ... + 2911540.

It is an arithmetic number, because the mean of its divisors is an integer number (77375984376).

Almost surely, 2^{1310311051525} is an apocalyptic number.

It is an amenable number.

1310311051525 is a deficient number, since it is larger than the sum of its proper divisors (546712573499).

1310311051525 is a wasteful number, since it uses less digits than its factorization.

1310311051525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506781 (or 506776 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 28.

Adding to 1310311051525 its reverse (5251501130131), we get a palindrome (6561812181656).

The spelling of 1310311051525 in words is "one trillion, three hundred ten billion, three hundred eleven million, fifty-one thousand, five hundred twenty-five".