213400310232 has 64 divisors (see below), whose sum is σ = 536414112000. Its totient is φ = 70745304960.

The previous prime is 213400310209. The next prime is 213400310239. The reversal of 213400310232 is 232013004312.

It is a super-2 number, since 2×213400310232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213400310199 and 213400310208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213400310239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12777007 + ... + 12793697.

It is an arithmetic number, because the mean of its divisors is an integer number (8381470500).

Almost surely, 2^213400310232 is an apocalyptic number.

It is an amenable number.

213400310232 is an abundant number, since it is smaller than the sum of its proper divisors (323013801768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213400310232 is a wasteful number, since it uses less digits than its factorization.

213400310232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19576 (or 19572 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213400310232 its reverse (232013004312), we get a palindrome (445413314544).

The spelling of 213400310232 in words is "two hundred thirteen billion, four hundred million, three hundred ten thousand, two hundred thirty-two".