431431222297 has 2 divisors, whose sum is σ = 431431222298. Its totient is φ = 431431222296.

The previous prime is 431431222289. The next prime is 431431222337. The reversal of 431431222297 is 792222134134.

It is an a-pointer prime, because the next prime (431431222337) can be obtained adding 431431222297 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307327205641 + 124104016656 = 554371^2 + 352284^2 .

It is a cyclic number.

It is not a de Polignac number, because 431431222297 - 2³ = 431431222289 is a prime.

It is a super-2 number, since 2×431431222297² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (431432222297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215715611148 + 215715611149.

It is an arithmetic number, because the mean of its divisors is an integer number (215715611149).

Almost surely, 2^431431222297 is an apocalyptic number.

It is an amenable number.

431431222297 is a deficient number, since it is larger than the sum of its proper divisors (1).

431431222297 is an equidigital number, since it uses as much as digits as its factorization.

431431222297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The spelling of 431431222297 in words is "four hundred thirty-one billion, four hundred thirty-one million, two hundred twenty-two thousand, two hundred ninety-seven".