323131112 has 8 divisors (see below), whose sum is σ = 605870850. Its totient is φ = 161565552.

The previous prime is 323131103. The next prime is 323131129. The reversal of 323131112 is 211131323.

It can be written as a sum of positive squares in only one way, i.e., 322346116 + 784996 = 17954^2 + 886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20195687 + ... + 20195702.

Almost surely, 2^323131112 is an apocalyptic number.

It is an amenable number.

323131112 is a deficient number, since it is larger than the sum of its proper divisors (282739738).

323131112 is a wasteful number, since it uses less digits than its factorization.

323131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40391395 (or 40391391 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 323131112 is about 17975.8480189392. The cubic root of 323131112 is about 686.2140276852.

Adding to 323131112 its reverse (211131323), we get a palindrome (534262435).

It can be divided in two parts, 3231311 and 12, that added together give a palindrome (3231323).

The spelling of 323131112 in words is "three hundred twenty-three million, one hundred thirty-one thousand, one hundred twelve".