323031131212 has 24 divisors (see below), whose sum is σ = 576065422800. Its totient is φ = 158442014016.

The previous prime is 323031131153. The next prime is 323031131231. The reversal of 323031131212 is 212131130323.

It is a super-2 number, since 2×323031131212² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198239 + ... + 1442857.

It is an arithmetic number, because the mean of its divisors is an integer number (24002725950).

Almost surely, 2^323031131212 is an apocalyptic number.

It is an amenable number.

323031131212 is a deficient number, since it is larger than the sum of its proper divisors (253034291588).

323031131212 is a wasteful number, since it uses less digits than its factorization.

323031131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250905 (or 250903 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 323031131212 its reverse (212131130323), we get a palindrome (535162261535).

The spelling of 323031131212 in words is "three hundred twenty-three billion, thirty-one million, one hundred thirty-one thousand, two hundred twelve".