1310313031 has 6 divisors (see below), whose sum is σ = 1312743120. Its totient is φ = 1307886228.

The previous prime is 1310313019. The next prime is 1310313127. The reversal of 1310313031 is 1303130131.

It is not a de Polignac number, because 1310313031 - 2¹¹ = 1310310983 is a prime.

It is a super-2 number, since 2×1310313031² = 3433840478416813922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310312996 and 1310313014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310323031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1166236 + ... + 1167358.

It is an arithmetic number, because the mean of its divisors is an integer number (218790520).

Almost surely, 2^1310313031 is an apocalyptic number.

1310313031 is a deficient number, since it is larger than the sum of its proper divisors (2430089).

1310313031 is an frugal number, since it uses more digits than its factorization.

1310313031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1310313031 is about 36198.2462420488. The cubic root of 1310313031 is about 1094.2713280023.

Adding to 1310313031 its reverse (1303130131), we get a palindrome (2613443162).

The spelling of 1310313031 in words is "one billion, three hundred ten million, three hundred thirteen thousand, thirty-one".