1363131131 has 2 divisors, whose sum is σ = 1363131132. Its totient is φ = 1363131130.

The previous prime is 1363131073. The next prime is 1363131137. The reversal of 1363131131 is 1311313631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1363131131 - 2⁶ = 1363131067 is a prime.

It is a super-2 number, since 2×1363131131² = 3716252960602678322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1363131097 and 1363131106.

It is not a weakly prime, because it can be changed into another prime (1363131137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681565565 + 681565566.

It is an arithmetic number, because the mean of its divisors is an integer number (681565566).

Almost surely, 2^1363131131 is an apocalyptic number.

1363131131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363131131 is an equidigital number, since it uses as much as digits as its factorization.

1363131131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 23.

The square root of 1363131131 is about 36920.6057778038. The cubic root of 1363131131 is about 1108.7812641572.

Adding to 1363131131 its reverse (1311313631), we get a palindrome (2674444762).

The spelling of 1363131131 in words is "one billion, three hundred sixty-three million, one hundred thirty-one thousand, one hundred thirty-one".