213101332 has 6 divisors (see below), whose sum is σ = 372927338. Its totient is φ = 106550664.

The previous prime is 213101327. The next prime is 213101351. The reversal of 213101332 is 233101312.

213101332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 134884996 + 78216336 = 11614^2 + 8844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26637663 + ... + 26637670.

Almost surely, 2^213101332 is an apocalyptic number.

It is an amenable number.

213101332 is a deficient number, since it is larger than the sum of its proper divisors (159826006).

213101332 is a wasteful number, since it uses less digits than its factorization.

213101332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53275337 (or 53275335 counting only the distinct ones).

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

The square root of 213101332 is about 14597.9906836523. The cubic root of 213101332 is about 597.3039518337.

Adding to 213101332 its reverse (233101312), we get a palindrome (446202644).

The spelling of 213101332 in words is "two hundred thirteen million, one hundred one thousand, three hundred thirty-two".