1363961831 has 2 divisors, whose sum is σ = 1363961832. Its totient is φ = 1363961830.

The previous prime is 1363961803. The next prime is 1363961869. The reversal of 1363961831 is 1381693631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1363961831 - 2²⁶ = 1296852967 is a prime.

It is a super-2 number, since 2×1363961831² = 3720783752849745122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1363961231) 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, 681980915 + 681980916.

It is an arithmetic number, because the mean of its divisors is an integer number (681980916).

Almost surely, 2^1363961831 is an apocalyptic number.

1363961831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363961831 is an equidigital number, since it uses as much as digits as its factorization.

1363961831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 1363961831 is about 36931.8538798149. The cubic root of 1363961831 is about 1109.0064509931.

The spelling of 1363961831 in words is "one billion, three hundred sixty-three million, nine hundred sixty-one thousand, eight hundred thirty-one".