322013431 has 4 divisors (see below), whose sum is σ = 324364032. Its totient is φ = 319662832.

The previous prime is 322013423. The next prime is 322013491. The reversal of 322013431 is 134310223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 322013431 - 2³ = 322013423 is a prime.

It is a super-2 number, since 2×322013431² = 207385299488783522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322013399 and 322013408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322013491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175095 + ... + 1175368.

It is an arithmetic number, because the mean of its divisors is an integer number (81091008).

Almost surely, 2^322013431 is an apocalyptic number.

322013431 is a deficient number, since it is larger than the sum of its proper divisors (2350601).

322013431 is a wasteful number, since it uses less digits than its factorization.

322013431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350600.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 322013431 is about 17944.7326812076. The cubic root of 322013431 is about 685.4219298375.

Adding to 322013431 its reverse (134310223), we get a palindrome (456323654).

The spelling of 322013431 in words is "three hundred twenty-two million, thirteen thousand, four hundred thirty-one".