321014431 has 2 divisors, whose sum is σ = 321014432. Its totient is φ = 321014430.

The previous prime is 321014413. The next prime is 321014459. The reversal of 321014431 is 134410123.

Together with previous prime (321014413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321014431 - 2⁷ = 321014303 is a prime.

It is a super-2 number, since 2×321014431² = 206100529820507522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 321014399 and 321014408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321014401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160507215 + 160507216.

It is an arithmetic number, because the mean of its divisors is an integer number (160507216).

Almost surely, 2^321014431 is an apocalyptic number.

321014431 is a deficient number, since it is larger than the sum of its proper divisors (1).

321014431 is an equidigital number, since it uses as much as digits as its factorization.

321014431 is an evil number, because the sum of its binary digits is even.

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

The square root of 321014431 is about 17916.8755925803. The cubic root of 321014431 is about 684.7123881813.

Adding to 321014431 its reverse (134410123), we get a palindrome (455424554).

The spelling of 321014431 in words is "three hundred twenty-one million, fourteen thousand, four hundred thirty-one".