402300431 has 8 divisors (see below), whose sum is σ = 433669824. Its totient is φ = 370991520.

The previous prime is 402300421. The next prime is 402300439. The reversal of 402300431 is 134003204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402300431 is a prime.

It is a super-2 number, since 2×402300431² = 323691273565571522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402300439) 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 in 7 ways as a sum of consecutive naturals, for example, 791 + ... + 28376.

It is an arithmetic number, because the mean of its divisors is an integer number (54208728).

Almost surely, 2^402300431 is an apocalyptic number.

402300431 is a deficient number, since it is larger than the sum of its proper divisors (31369393).

402300431 is a wasteful number, since it uses less digits than its factorization.

402300431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30241.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 402300431 is about 20057.4283246881. The cubic root of 402300431 is about 738.2160773028.

Adding to 402300431 its reverse (134003204), we get a palindrome (536303635).

The spelling of 402300431 in words is "four hundred two million, three hundred thousand, four hundred thirty-one".