402200031 has 8 divisors (see below), whose sum is σ = 537119104. Its totient is φ = 267707160.

The previous prime is 402199979. The next prime is 402200033. The reversal of 402200031 is 130002204.

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

It is not a de Polignac number, because 402200031 - 2²⁶ = 335091167 is a prime.

It is a super-2 number, since 2×402200031² = 323529729872801922, 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 (402200033) 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, 104341 + ... + 108126.

It is an arithmetic number, because the mean of its divisors is an integer number (67139888).

Almost surely, 2^402200031 is an apocalyptic number.

402200031 is a deficient number, since it is larger than the sum of its proper divisors (134919073).

402200031 is a wasteful number, since it uses less digits than its factorization.

402200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213101.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 402200031 is about 20054.9253551341. The cubic root of 402200031 is about 738.1546612938.

Adding to 402200031 its reverse (130002204), we get a palindrome (532202235).

The spelling of 402200031 in words is "four hundred two million, two hundred thousand, thirty-one".