213113321332 has 6 divisors (see below), whose sum is σ = 372948312338. Its totient is φ = 106556660664.

The previous prime is 213113321329. The next prime is 213113321371. The reversal of 213113321332 is 233123311312.

It can be written as a sum of positive squares in only one way, i.e., 157890201316 + 55223120016 = 397354^2 + 234996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213113321297 and 213113321306.

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, 26639165163 + ... + 26639165170.

Almost surely, 2^213113321332 is an apocalyptic number.

It is an amenable number.

213113321332 is a deficient number, since it is larger than the sum of its proper divisors (159834991006).

213113321332 is a wasteful number, since it uses less digits than its factorization.

213113321332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53278330337 (or 53278330335 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

Adding to 213113321332 its reverse (233123311312), we get a palindrome (446236632644).

The spelling of 213113321332 in words is "two hundred thirteen billion, one hundred thirteen million, three hundred twenty-one thousand, three hundred thirty-two".