322112431 has 2 divisors, whose sum is σ = 322112432. Its totient is φ = 322112430.

The previous prime is 322112411. The next prime is 322112471. The reversal of 322112431 is 134211223.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (134211223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 322112431 - 2¹³ = 322104239 is a prime.

It is a super-2 number, since 2×322112431² = 207512836409459522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 322112399 and 322112408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322112411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161056215 + 161056216.

It is an arithmetic number, because the mean of its divisors is an integer number (161056216).

Almost surely, 2^322112431 is an apocalyptic number.

322112431 is a deficient number, since it is larger than the sum of its proper divisors (1).

322112431 is an equidigital number, since it uses as much as digits as its factorization.

322112431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 322112431 is about 17947.4909388471. The cubic root of 322112431 is about 685.4921648150.

Adding to 322112431 its reverse (134211223), we get a palindrome (456323654).

The spelling of 322112431 in words is "three hundred twenty-two million, one hundred twelve thousand, four hundred thirty-one".