1310331313331 has 8 divisors (see below), whose sum is σ = 1351139544720. Its totient is φ = 1270118822752.

The previous prime is 1310331313267. The next prime is 1310331313337. The reversal of 1310331313331 is 1333131330131.

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 not a de Polignac number, because 1310331313331 - 2⁶ = 1310331313267 is a prime.

It is a super-2 number, since 2×1310331313331² (a number of 25 digits) 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 1310331313331.

It is not an unprimeable number, because it can be changed into a prime (1310331313337) 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, 148930736 + ... + 148939533.

It is an arithmetic number, because the mean of its divisors is an integer number (168892443090).

Almost surely, 2^{1310331313331} is an apocalyptic number.

1310331313331 is a deficient number, since it is larger than the sum of its proper divisors (40808231389).

1310331313331 is an equidigital number, since it uses as much as digits as its factorization.

1310331313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297870405.

The product of its (nonzero) digits is 2187, while the sum is 26.

Adding to 1310331313331 its reverse (1333131330131), we get a palindrome (2643462643462).

The spelling of 1310331313331 in words is "one trillion, three hundred ten billion, three hundred thirty-one million, three hundred thirteen thousand, three hundred thirty-one".