213011332 has 12 divisors (see below), whose sum is σ = 380701440. Its totient is φ = 104239496.

The previous prime is 213011317. The next prime is 213011341. The reversal of 213011332 is 233110312.

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, 566332 + ... + 566707.

It is an arithmetic number, because the mean of its divisors is an integer number (31725120).

Almost surely, 2^213011332 is an apocalyptic number.

It is an amenable number.

213011332 is a deficient number, since it is larger than the sum of its proper divisors (167690108).

213011332 is a wasteful number, since it uses less digits than its factorization.

213011332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133090 (or 1133088 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 213011332 is about 14594.9077420859. The cubic root of 213011332 is about 597.2198526796.

Adding to 213011332 its reverse (233110312), we get a palindrome (446121644).

The spelling of 213011332 in words is "two hundred thirteen million, eleven thousand, three hundred thirty-two".