213130328 has 16 divisors (see below), whose sum is σ = 416994480. Its totient is φ = 101931808.

The previous prime is 213130327. The next prime is 213130409. The reversal of 213130328 is 823031312.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213130327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578975 + ... + 579342.

It is an arithmetic number, because the mean of its divisors is an integer number (26062155).

Almost surely, 2^213130328 is an apocalyptic number.

It is an amenable number.

213130328 is a deficient number, since it is larger than the sum of its proper divisors (203864152).

213130328 is a wasteful number, since it uses less digits than its factorization.

213130328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158346 (or 1158342 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 213130328 is about 14598.9838002513. The cubic root of 213130328 is about 597.3310416689.

The spelling of 213130328 in words is "two hundred thirteen million, one hundred thirty thousand, three hundred twenty-eight".