131100433 has 2 divisors, whose sum is σ = 131100434. Its totient is φ = 131100432.

The previous prime is 131100427. The next prime is 131100521. The reversal of 131100433 is 334001131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98644624 + 32455809 = 9932^2 + 5697^2 .

It is a cyclic number.

It is not a de Polignac number, because 131100433 - 2⁵ = 131100401 is a prime.

It is not a weakly prime, because it can be changed into another prime (131100733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65550216 + 65550217.

It is an arithmetic number, because the mean of its divisors is an integer number (65550217).

Almost surely, 2^131100433 is an apocalyptic number.

It is an amenable number.

131100433 is a deficient number, since it is larger than the sum of its proper divisors (1).

131100433 is an equidigital number, since it uses as much as digits as its factorization.

131100433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131100433 is about 11449.9097376355. The cubic root of 131100433 is about 508.0050645846.

Adding to 131100433 its reverse (334001131), we get a palindrome (465101564).

The spelling of 131100433 in words is "one hundred thirty-one million, one hundred thousand, four hundred thirty-three".