213312004432 has 20 divisors (see below), whose sum is σ = 414638246176. Its totient is φ = 106308586080.

The previous prime is 213312004421. The next prime is 213312004463. The reversal of 213312004432 is 234400213312.

It is a super-2 number, since 2×213312004432² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213312004397 and 213312004406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21708444 + ... + 21718267.

Almost surely, 2^213312004432 is an apocalyptic number.

It is an amenable number.

213312004432 is a deficient number, since it is larger than the sum of its proper divisors (201326241744).

213312004432 is a wasteful number, since it uses less digits than its factorization.

213312004432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43427026 (or 43427020 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 213312004432 its reverse (234400213312), we get a palindrome (447712217744).

The spelling of 213312004432 in words is "two hundred thirteen billion, three hundred twelve million, four thousand, four hundred thirty-two".