1313100311 has 2 divisors, whose sum is σ = 1313100312. Its totient is φ = 1313100310.

The previous prime is 1313100301. The next prime is 1313100319. The reversal of 1313100311 is 1130013131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313100311 - 2¹⁰ = 1313099287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313100319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656550155 + 656550156.

It is an arithmetic number, because the mean of its divisors is an integer number (656550156).

Almost surely, 2^1313100311 is an apocalyptic number.

1313100311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313100311 is an equidigital number, since it uses as much as digits as its factorization.

1313100311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1313100311 is about 36236.7259972531. The cubic root of 1313100311 is about 1095.0466848315.

Adding to 1313100311 its reverse (1130013131), we get a palindrome (2443113442).

The spelling of 1313100311 in words is "one billion, three hundred thirteen million, one hundred thousand, three hundred eleven".