331623053 has 2 divisors, whose sum is σ = 331623054. Its totient is φ = 331623052.

The previous prime is 331623049. The next prime is 331623073. The reversal of 331623053 is 350326133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331312804 + 310249 = 18202^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 331623053 - 2² = 331623049 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331623073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165811526 + 165811527.

It is an arithmetic number, because the mean of its divisors is an integer number (165811527).

Almost surely, 2^331623053 is an apocalyptic number.

It is an amenable number.

331623053 is a deficient number, since it is larger than the sum of its proper divisors (1).

331623053 is an equidigital number, since it uses as much as digits as its factorization.

331623053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 26.

The square root of 331623053 is about 18210.5203934429. The cubic root of 331623053 is about 692.1733982758.

Adding to 331623053 its reverse (350326133), we get a palindrome (681949186).

The spelling of 331623053 in words is "three hundred thirty-one million, six hundred twenty-three thousand, fifty-three".