431122301231 has 2 divisors, whose sum is σ = 431122301232. Its totient is φ = 431122301230.

The previous prime is 431122301167. The next prime is 431122301299. The reversal of 431122301231 is 132103221134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431122301231 - 2⁶ = 431122301167 is a prime.

It is a super-2 number, since 2×431122301231² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 431122301197 and 431122301206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431122201231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215561150615 + 215561150616.

It is an arithmetic number, because the mean of its divisors is an integer number (215561150616).

Almost surely, 2^431122301231 is an apocalyptic number.

431122301231 is a deficient number, since it is larger than the sum of its proper divisors (1).

431122301231 is an equidigital number, since it uses as much as digits as its factorization.

431122301231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 431122301231 its reverse (132103221134), we get a palindrome (563225522365).

The spelling of 431122301231 in words is "four hundred thirty-one billion, one hundred twenty-two million, three hundred one thousand, two hundred thirty-one".