213001432 has 48 divisors (see below), whose sum is σ = 491925960. Its totient is φ = 85913856.

The previous prime is 213001423. The next prime is 213001469. The reversal of 213001432 is 234100312.

It is a happy number.

It is a super-2 number, since 2×213001432² = 90739220068101248, 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 11 ways as a sum of consecutive naturals, for example, 9318 + ... + 22645.

Almost surely, 2^213001432 is an apocalyptic number.

It is an amenable number.

213001432 is an abundant number, since it is smaller than the sum of its proper divisors (278924528).

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

213001432 is a wasteful number, since it uses less digits than its factorization.

213001432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32000 (or 31989 counting only the distinct ones).

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

The square root of 213001432 is about 14594.5685787556. The cubic root of 213001432 is about 597.2106003265.

Adding to 213001432 its reverse (234100312), we get a palindrome (447101744).

The spelling of 213001432 in words is "two hundred thirteen million, one thousand, four hundred thirty-two".