402321113 has 2 divisors, whose sum is σ = 402321114. Its totient is φ = 402321112.

The previous prime is 402321097. The next prime is 402321137. The reversal of 402321113 is 311123204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379587289 + 22733824 = 19483^2 + 4768^2 .

It is a cyclic number.

It is not a de Polignac number, because 402321113 - 2⁴ = 402321097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402321091 and 402321100.

It is not a weakly prime, because it can be changed into another prime (402321163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201160556 + 201160557.

It is an arithmetic number, because the mean of its divisors is an integer number (201160557).

Almost surely, 2^402321113 is an apocalyptic number.

It is an amenable number.

402321113 is a deficient number, since it is larger than the sum of its proper divisors (1).

402321113 is an equidigital number, since it uses as much as digits as its factorization.

402321113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 402321113 is about 20057.9438876471. The cubic root of 402321113 is about 738.2287274867.

Adding to 402321113 its reverse (311123204), we get a palindrome (713444317).

The spelling of 402321113 in words is "four hundred two million, three hundred twenty-one thousand, one hundred thirteen".