31555454053 has 2 divisors, whose sum is σ = 31555454054. Its totient is φ = 31555454052.

The previous prime is 31555454041. The next prime is 31555454057. The reversal of 31555454053 is 35045455513.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23624304804 + 7931149249 = 153702^2 + 89057^2 .

It is an emirp because it is prime and its reverse (35045455513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31555454053 - 2⁹ = 31555453541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31555453997 and 31555454015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31555454057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15777727026 + 15777727027.

It is an arithmetic number, because the mean of its divisors is an integer number (15777727027).

Almost surely, 2^31555454053 is an apocalyptic number.

It is an amenable number.

31555454053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31555454053 is an equidigital number, since it uses as much as digits as its factorization.

31555454053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 31555454053 in words is "thirty-one billion, five hundred fifty-five million, four hundred fifty-four thousand, fifty-three".