213133211332 has 12 divisors (see below), whose sum is σ = 373223920300. Its totient is φ = 106497805536.

The previous prime is 213133211321. The next prime is 213133211339. The reversal of 213133211332 is 233112331312.

It can be written as a sum of positive squares in 2 ways, for example, as 48147769476 + 164985441856 = 219426^2 + 406184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213133211297 and 213133211306.

It is not an unprimeable number, because it can be changed into a prime (213133211339) 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, 17193063 + ... + 17205454.

Almost surely, 2^213133211332 is an apocalyptic number.

It is an amenable number.

213133211332 is a deficient number, since it is larger than the sum of its proper divisors (160090708968).

213133211332 is a wasteful number, since it uses less digits than its factorization.

213133211332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34400070 (or 34400068 counting only the distinct ones).

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

Adding to 213133211332 its reverse (233112331312), we get a palindrome (446245542644).

The spelling of 213133211332 in words is "two hundred thirteen billion, one hundred thirty-three million, two hundred eleven thousand, three hundred thirty-two".