1310331322331 has 4 divisors (see below), whose sum is σ = 1345745682432. Its totient is φ = 1274916962232.

The previous prime is 1310331322283. The next prime is 1310331322369. The reversal of 1310331322331 is 1332231330131.

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 1310331322331 - 2³⁴ = 1293151453147 is a prime.

It is a super-2 number, since 2×1310331322331² (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 1310331322331.

It is not an unprimeable number, because it can be changed into a prime (1310331322381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17707179995 + ... + 17707180068.

It is an arithmetic number, because the mean of its divisors is an integer number (336436420608).

Almost surely, 2^{1310331322331} is an apocalyptic number.

1310331322331 is a deficient number, since it is larger than the sum of its proper divisors (35414360101).

1310331322331 is an equidigital number, since it uses as much as digits as its factorization.

1310331322331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35414360100.

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

Adding to 1310331322331 its reverse (1332231330131), we get a palindrome (2642562652462).

The spelling of 1310331322331 in words is "one trillion, three hundred ten billion, three hundred thirty-one million, three hundred twenty-two thousand, three hundred thirty-one".