322131213332 has 12 divisors (see below), whose sum is σ = 563748938676. Its totient is φ = 161060088000.

The previous prime is 322131213323. The next prime is 322131213337. The reversal of 322131213332 is 233312131223.

It can be written as a sum of positive squares in 2 ways, for example, as 258189999376 + 63941213956 = 508124^2 + 252866^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322131213337) 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, 1246913 + ... + 1482920.

It is an arithmetic number, because the mean of its divisors is an integer number (46979078223).

Almost surely, 2^322131213332 is an apocalyptic number.

It is an amenable number.

322131213332 is a deficient number, since it is larger than the sum of its proper divisors (241617725344).

322131213332 is a wasteful number, since it uses less digits than its factorization.

322131213332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759338 (or 2759336 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 322131213332 its reverse (233312131223), we get a palindrome (555443344555).

The spelling of 322131213332 in words is "three hundred twenty-two billion, one hundred thirty-one million, two hundred thirteen thousand, three hundred thirty-two".