220341431 has 2 divisors, whose sum is σ = 220341432. Its totient is φ = 220341430.

The previous prime is 220341389. The next prime is 220341439. The reversal of 220341431 is 134143022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220341431 - 2¹⁸ = 220079287 is a prime.

It is a super-2 number, since 2×220341431² = 97100692430255522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220341439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110170715 + 110170716.

It is an arithmetic number, because the mean of its divisors is an integer number (110170716).

Almost surely, 2^220341431 is an apocalyptic number.

220341431 is a deficient number, since it is larger than the sum of its proper divisors (1).

220341431 is an equidigital number, since it uses as much as digits as its factorization.

220341431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 220341431 is about 14843.9021486939. The cubic root of 220341431 is about 603.9932083721.

Adding to 220341431 its reverse (134143022), we get a palindrome (354484453).

It can be divided in two parts, 2203 and 41431, that added together give a palindrome (43634).

The spelling of 220341431 in words is "two hundred twenty million, three hundred forty-one thousand, four hundred thirty-one".