402213133231 has 64 divisors (see below), whose sum is σ = 519618355200. Its totient is φ = 302792878080.

The previous prime is 402213133229. The next prime is 402213133249. The reversal of 402213133231 is 132331312204.

It is not a de Polignac number, because 402213133231 - 2¹ = 402213133229 is a prime.

It is a super-2 number, since 2×402213133231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402213133196 and 402213133205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402213133211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116615595 + ... + 116619043.

It is an arithmetic number, because the mean of its divisors is an integer number (8119036800).

Almost surely, 2^402213133231 is an apocalyptic number.

402213133231 is a deficient number, since it is larger than the sum of its proper divisors (117405221969).

402213133231 is a wasteful number, since it uses less digits than its factorization.

402213133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 402213133231 its reverse (132331312204), we get a palindrome (534544445435).

The spelling of 402213133231 in words is "four hundred two billion, two hundred thirteen million, one hundred thirty-three thousand, two hundred thirty-one".