213031022332 has 12 divisors (see below), whose sum is σ = 372944617920. Its totient is φ = 106475417216.

The previous prime is 213031022249. The next prime is 213031022339. The reversal of 213031022332 is 233220130312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213031022339) 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, 10011532 + ... + 10032787.

It is an arithmetic number, because the mean of its divisors is an integer number (31078718160).

Almost surely, 2^213031022332 is an apocalyptic number.

It is an amenable number.

213031022332 is a deficient number, since it is larger than the sum of its proper divisors (159913595588).

213031022332 is a wasteful number, since it uses less digits than its factorization.

213031022332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20046980 (or 20046978 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213031022332 its reverse (233220130312), we get a palindrome (446251152644).

The spelling of 213031022332 in words is "two hundred thirteen billion, thirty-one million, twenty-two thousand, three hundred thirty-two".