331323131222 has 32 divisors (see below), whose sum is σ = 528076454400. Its totient is φ = 155467944000.

The previous prime is 331323131189. The next prime is 331323131239. The reversal of 331323131222 is 222131323133.

It is a junction number, because it is equal to n+sod(n) for n = 331323131191 and 331323131200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1979522 + ... + 2140362.

It is an arithmetic number, because the mean of its divisors is an integer number (16502389200).

Almost surely, 2^331323131222 is an apocalyptic number.

331323131222 is a deficient number, since it is larger than the sum of its proper divisors (196753323178).

331323131222 is a wasteful number, since it uses less digits than its factorization.

331323131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161372.

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

Adding to 331323131222 its reverse (222131323133), we get a palindrome (553454454355).

The spelling of 331323131222 in words is "three hundred thirty-one billion, three hundred twenty-three million, one hundred thirty-one thousand, two hundred twenty-two".