131363633 has 2 divisors, whose sum is σ = 131363634. Its totient is φ = 131363632.

The previous prime is 131363629. The next prime is 131363657. The reversal of 131363633 is 336363131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92025649 + 39337984 = 9593^2 + 6272^2 .

It is a cyclic number.

It is not a de Polignac number, because 131363633 - 2² = 131363629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131363596 and 131363605.

It is not a weakly prime, because it can be changed into another prime (131363693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65681816 + 65681817.

It is an arithmetic number, because the mean of its divisors is an integer number (65681817).

Almost surely, 2^131363633 is an apocalyptic number.

It is an amenable number.

131363633 is a deficient number, since it is larger than the sum of its proper divisors (1).

131363633 is an equidigital number, since it uses as much as digits as its factorization.

131363633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 29.

The square root of 131363633 is about 11461.3975151375. The cubic root of 131363633 is about 508.3447979020.

It can be divided in two parts, 1313 and 63633, that added together give a palindrome (64946).

The spelling of 131363633 in words is "one hundred thirty-one million, three hundred sixty-three thousand, six hundred thirty-three".