31555454041 has 2 divisors, whose sum is σ = 31555454042. Its totient is φ = 31555454040.

The previous prime is 31555454027. The next prime is 31555454053. The reversal of 31555454041 is 14045455513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30898608400 + 656845641 = 175780^2 + 25629^2 .

It is a cyclic number.

It is not a de Polignac number, because 31555454041 - 2⁷ = 31555453913 is a prime.

It is not a weakly prime, because it can be changed into another prime (31555454071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15777727020 + 15777727021.

It is an arithmetic number, because the mean of its divisors is an integer number (15777727021).

Almost surely, 2^31555454041 is an apocalyptic number.

It is an amenable number.

31555454041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31555454041 is an equidigital number, since it uses as much as digits as its factorization.

31555454041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 31555454041 in words is "thirty-one billion, five hundred fifty-five million, four hundred fifty-four thousand, forty-one".