213100472 has 16 divisors (see below), whose sum is σ = 430299240. Its totient is φ = 98354016.

The previous prime is 213100463. The next prime is 213100487. The reversal of 213100472 is 274001312.

It is a super-2 number, since 2×213100472² = 90823622333245568, which contains 22 as substring.

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, 1024418 + ... + 1024625.

Almost surely, 2^213100472 is an apocalyptic number.

It is an amenable number.

213100472 is an abundant number, since it is smaller than the sum of its proper divisors (217198768).

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

213100472 is a wasteful number, since it uses less digits than its factorization.

213100472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049062 (or 2049058 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 213100472 is about 14597.9612275139. The cubic root of 213100472 is about 597.3031483316.

Adding to 213100472 its reverse (274001312), we get a palindrome (487101784).

The spelling of 213100472 in words is "two hundred thirteen million, one hundred thousand, four hundred seventy-two".