402053031 has 8 divisors (see below), whose sum is σ = 595634160. Its totient is φ = 268035336.

The previous prime is 402053021. The next prime is 402053039. The reversal of 402053031 is 130350204.

It is not a de Polignac number, because 402053031 - 2⁵ = 402052999 is a prime.

It is a super-2 number, since 2×402053031² = 323293279472573922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402052995 and 402053013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402053039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7445400 + ... + 7445453.

It is an arithmetic number, because the mean of its divisors is an integer number (74454270).

Almost surely, 2^402053031 is an apocalyptic number.

402053031 is a deficient number, since it is larger than the sum of its proper divisors (193581129).

402053031 is a wasteful number, since it uses less digits than its factorization.

402053031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14890862 (or 14890856 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 402053031 is about 20051.2600850919. The cubic root of 402053031 is about 738.0647210078.

The spelling of 402053031 in words is "four hundred two million, fifty-three thousand, thirty-one".