4312220431 has 2 divisors, whose sum is σ = 4312220432. Its totient is φ = 4312220430.

The previous prime is 4312220417. The next prime is 4312220461. The reversal of 4312220431 is 1340222134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4312220431 - 2¹³ = 4312212239 is a prime.

It is a super-2 number, since 2×4312220431² = 37190490091067651522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4312220461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156110215 + 2156110216.

It is an arithmetic number, because the mean of its divisors is an integer number (2156110216).

Almost surely, 2^4312220431 is an apocalyptic number.

4312220431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312220431 is an equidigital number, since it uses as much as digits as its factorization.

4312220431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4312220431 is about 65667.4990463319. The cubic root of 4312220431 is about 1627.6723436674.

Adding to 4312220431 its reverse (1340222134), we get a palindrome (5652442565).

The spelling of 4312220431 in words is "four billion, three hundred twelve million, two hundred twenty thousand, four hundred thirty-one".