213113311332 has 24 divisors (see below), whose sum is σ = 502851636000. Its totient is φ = 70239592896.

The previous prime is 213113311321. The next prime is 213113311337. The reversal of 213113311332 is 233113311312.

It is a super-2 number, since 2×213113311332² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (213113311337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99771082 + ... + 99773217.

It is an arithmetic number, because the mean of its divisors is an integer number (20952151500).

Almost surely, 2^213113311332 is an apocalyptic number.

It is an amenable number.

213113311332 is an abundant number, since it is smaller than the sum of its proper divisors (289738324668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213113311332 is a wasteful number, since it uses less digits than its factorization.

213113311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199544395 (or 199544393 counting only the distinct ones).

The product of its digits is 972, while the sum is 24.

Adding to 213113311332 its reverse (233113311312), we get a palindrome (446226622644).

The spelling of 213113311332 in words is "two hundred thirteen billion, one hundred thirteen million, three hundred eleven thousand, three hundred thirty-two".