402431012353 has 2 divisors, whose sum is σ = 402431012354. Its totient is φ = 402431012352.

The previous prime is 402431012297. The next prime is 402431012363. The reversal of 402431012353 is 353210134204.

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., 397849347009 + 4581665344 = 630753^2 + 67688^2 .

It is a cyclic number.

It is not a de Polignac number, because 402431012353 - 2²⁵ = 402397457921 is a prime.

It is not a weakly prime, because it can be changed into another prime (402431012363) 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, 201215506176 + 201215506177.

It is an arithmetic number, because the mean of its divisors is an integer number (201215506177).

Almost surely, 2^402431012353 is an apocalyptic number.

It is an amenable number.

402431012353 is a deficient number, since it is larger than the sum of its proper divisors (1).

402431012353 is an equidigital number, since it uses as much as digits as its factorization.

402431012353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 402431012353 its reverse (353210134204), we get a palindrome (755641146557).

The spelling of 402431012353 in words is "four hundred two billion, four hundred thirty-one million, twelve thousand, three hundred fifty-three".