322421031 has 12 divisors (see below), whose sum is σ = 493114752. Its totient is φ = 202303296.

The previous prime is 322420991. The next prime is 322421069. The reversal of 322421031 is 130124223.

It is a de Polignac number, because none of the positive numbers 2^k-322421031 is a prime.

It is a super-2 number, since 2×322421031² = 207910642462205922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 322420995 and 322421013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322428031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1053511 + ... + 1053816.

It is an arithmetic number, because the mean of its divisors is an integer number (41092896).

Almost surely, 2^322421031 is an apocalyptic number.

322421031 is a deficient number, since it is larger than the sum of its proper divisors (170693721).

322421031 is a wasteful number, since it uses less digits than its factorization.

322421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107350 (or 2107347 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 322421031 is about 17956.0861826847. The cubic root of 322421031 is about 685.7110069970.

Adding to 322421031 its reverse (130124223), we get a palindrome (452545254).

The spelling of 322421031 in words is "three hundred twenty-two million, four hundred twenty-one thousand, thirty-one".