323131010421 has 8 divisors (see below), whose sum is σ = 431996419360. Its totient is φ = 214843137552.

The previous prime is 323131010417. The next prime is 323131010429. The reversal of 323131010421 is 124010131323.

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

It is not a de Polignac number, because 323131010421 - 2² = 323131010417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323131010429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144382711 + ... + 144384948.

It is an arithmetic number, because the mean of its divisors is an integer number (53999552420).

Almost surely, 2^323131010421 is an apocalyptic number.

It is an amenable number.

323131010421 is a deficient number, since it is larger than the sum of its proper divisors (108865408939).

323131010421 is a wasteful number, since it uses less digits than its factorization.

323131010421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288768035.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 323131010421 its reverse (124010131323), we get a palindrome (447141141744).

The spelling of 323131010421 in words is "three hundred twenty-three billion, one hundred thirty-one million, ten thousand, four hundred twenty-one".