323131212442 has 8 divisors (see below), whose sum is σ = 510207177600. Its totient is φ = 153062153244.

The previous prime is 323131212433. The next prime is 323131212457. The reversal of 323131212442 is 244212131323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 323131212442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4251726442 + ... + 4251726517.

It is an arithmetic number, because the mean of its divisors is an integer number (63775897200).

Almost surely, 2^323131212442 is an apocalyptic number.

323131212442 is a deficient number, since it is larger than the sum of its proper divisors (187075965158).

323131212442 is a wasteful number, since it uses less digits than its factorization.

323131212442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503452980.

The product of its digits is 6912, while the sum is 28.

Adding to 323131212442 its reverse (244212131323), we get a palindrome (567343343765).

The spelling of 323131212442 in words is "three hundred twenty-three billion, one hundred thirty-one million, two hundred twelve thousand, four hundred forty-two".