402359031 has 6 divisors (see below), whose sum is σ = 581185280. Its totient is φ = 268239348.

The previous prime is 402359011. The next prime is 402359047. The reversal of 402359031 is 130953204.

402359031 is a `hidden beast` number, since 40 + 2 + 3 + 590 + 31 = 666.

It is not a de Polignac number, because 402359031 - 2⁶ = 402358967 is a prime.

It is a super-2 number, since 2×402359031² = 323785579654517922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402358986 and 402359004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402359011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22353271 + ... + 22353288.

Almost surely, 2^402359031 is an apocalyptic number.

402359031 is a deficient number, since it is larger than the sum of its proper divisors (178826249).

402359031 is a wasteful number, since it uses less digits than its factorization.

402359031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44706565 (or 44706562 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 402359031 is about 20058.8890769155. The cubic root of 402359031 is about 738.2519189762.

The spelling of 402359031 in words is "four hundred two million, three hundred fifty-nine thousand, thirty-one".