402313201 has 24 divisors (see below), whose sum is σ = 445495680. Its totient is φ = 362777184.

The previous prime is 402313189. The next prime is 402313207. The reversal of 402313201 is 102313204.

It is a happy number.

It is not a de Polignac number, because 402313201 - 2²⁵ = 368758769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402313207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 868696 + ... + 869158.

It is an arithmetic number, because the mean of its divisors is an integer number (18562320).

Almost surely, 2^402313201 is an apocalyptic number.

It is an amenable number.

402313201 is a deficient number, since it is larger than the sum of its proper divisors (43182479).

402313201 is a wasteful number, since it uses less digits than its factorization.

402313201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 402313201 is about 20057.7466580870. The cubic root of 402313201 is about 738.2238881484.

Adding to 402313201 its reverse (102313204), we get a palindrome (504626405).

The spelling of 402313201 in words is "four hundred two million, three hundred thirteen thousand, two hundred one".