1310323031 has 2 divisors, whose sum is σ = 1310323032. Its totient is φ = 1310323030.

The previous prime is 1310323019. The next prime is 1310323051. The reversal of 1310323031 is 1303230131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310323031 - 2²² = 1306128727 is a prime.

It is a super-2 number, since 2×1310323031² = 3433892891138053922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310323051) 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 as a sum of consecutive naturals, namely, 655161515 + 655161516.

It is an arithmetic number, because the mean of its divisors is an integer number (655161516).

Almost surely, 2^1310323031 is an apocalyptic number.

1310323031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310323031 is an equidigital number, since it uses as much as digits as its factorization.

1310323031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1310323031 is about 36198.3843700240. The cubic root of 1310323031 is about 1094.2741117354.

Adding to 1310323031 its reverse (1303230131), we get a palindrome (2613553162).

The spelling of 1310323031 in words is "one billion, three hundred ten million, three hundred twenty-three thousand, thirty-one".