1313323102331 has 4 divisors (see below), whose sum is σ = 1314043522752. Its totient is φ = 1312602681912.

The previous prime is 1313323102313. The next prime is 1313323102337. The reversal of 1313323102331 is 1332013233131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313323102331 - 2¹⁸ = 1313322840187 is a prime.

It is a super-2 number, since 2×1313323102331² (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 1313323102331.

It is not an unprimeable number, because it can be changed into a prime (1313323102337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360207476 + ... + 360211121.

It is an arithmetic number, because the mean of its divisors is an integer number (328510880688).

Almost surely, 2^{1313323102331} is an apocalyptic number.

1313323102331 is a deficient number, since it is larger than the sum of its proper divisors (720420421).

1313323102331 is an equidigital number, since it uses as much as digits as its factorization.

1313323102331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720420420.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1313323102331 its reverse (1332013233131), we get a palindrome (2645336335462).

The spelling of 1313323102331 in words is "one trillion, three hundred thirteen billion, three hundred twenty-three million, one hundred two thousand, three hundred thirty-one".