213100432 has 40 divisors (see below), whose sum is σ = 428372384. Its totient is φ = 102622464.

The previous prime is 213100403. The next prime is 213100453. The reversal of 213100432 is 234001312.

It is a happy number.

213100432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48103 + ... + 52345.

Almost surely, 2^213100432 is an apocalyptic number.

It is an amenable number.

213100432 is an abundant number, since it is smaller than the sum of its proper divisors (215271952).

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

213100432 is a wasteful number, since it uses less digits than its factorization.

213100432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367 (or 4361 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213100432 is about 14597.9598574595. The cubic root of 213100432 is about 597.3031109594.

Adding to 213100432 its reverse (234001312), we get a palindrome (447101744).

The spelling of 213100432 in words is "two hundred thirteen million, one hundred thousand, four hundred thirty-two".