312421655053 has 2 divisors, whose sum is σ = 312421655054. Its totient is φ = 312421655052.

The previous prime is 312421655011. The next prime is 312421655081. The reversal of 312421655053 is 350556124213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306692224804 + 5729430249 = 553798^2 + 75693^2 .

It is a cyclic number.

It is not a de Polignac number, because 312421655053 - 2²⁵ = 312388100621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312421655003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156210827526 + 156210827527.

It is an arithmetic number, because the mean of its divisors is an integer number (156210827527).

Almost surely, 2^312421655053 is an apocalyptic number.

It is an amenable number.

312421655053 is a deficient number, since it is larger than the sum of its proper divisors (1).

312421655053 is an equidigital number, since it uses as much as digits as its factorization.

312421655053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 312421655053 its reverse (350556124213), we get a palindrome (662977779266).

The spelling of 312421655053 in words is "three hundred twelve billion, four hundred twenty-one million, six hundred fifty-five thousand, fifty-three".