231899053 has 2 divisors, whose sum is σ = 231899054. Its totient is φ = 231899052.

The previous prime is 231899033. The next prime is 231899069. The reversal of 231899053 is 350998132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203148009 + 28751044 = 14253^2 + 5362^2 .

It is a cyclic number.

It is not a de Polignac number, because 231899053 - 2²⁵ = 198344621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231898997 and 231899015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231899033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115949526 + 115949527.

It is an arithmetic number, because the mean of its divisors is an integer number (115949527).

Almost surely, 2^231899053 is an apocalyptic number.

It is an amenable number.

231899053 is a deficient number, since it is larger than the sum of its proper divisors (1).

231899053 is an equidigital number, since it uses as much as digits as its factorization.

231899053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 231899053 is about 15228.2321035634. The cubic root of 231899053 is about 614.3742311832.

The spelling of 231899053 in words is "two hundred thirty-one million, eight hundred ninety-nine thousand, fifty-three".