322920113 has 2 divisors, whose sum is σ = 322920114. Its totient is φ = 322920112.

The previous prime is 322920107. The next prime is 322920131. The reversal of 322920113 is 311029223.

Together with next prime (322920131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172318129 + 150601984 = 13127^2 + 12272^2 .

It is a cyclic number.

It is not a de Polignac number, because 322920113 - 2¹⁶ = 322854577 is a prime.

It is not a weakly prime, because it can be changed into another prime (322920173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161460056 + 161460057.

It is an arithmetic number, because the mean of its divisors is an integer number (161460057).

Almost surely, 2^322920113 is an apocalyptic number.

It is an amenable number.

322920113 is a deficient number, since it is larger than the sum of its proper divisors (1).

322920113 is an equidigital number, since it uses as much as digits as its factorization.

322920113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 322920113 is about 17969.9781023795. The cubic root of 322920113 is about 686.0646332187.

Adding to 322920113 its reverse (311029223), we get a palindrome (633949336).

The spelling of 322920113 in words is "three hundred twenty-two million, nine hundred twenty thousand, one hundred thirteen".