220342435231 has 2 divisors, whose sum is σ = 220342435232. Its totient is φ = 220342435230.

The previous prime is 220342435219. The next prime is 220342435237. The reversal of 220342435231 is 132534243022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220342435231 - 2¹⁵ = 220342402463 is a prime.

It is a super-2 number, since 2×220342435231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220342435193 and 220342435202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220342435237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110171217615 + 110171217616.

It is an arithmetic number, because the mean of its divisors is an integer number (110171217616).

Almost surely, 2^220342435231 is an apocalyptic number.

220342435231 is a deficient number, since it is larger than the sum of its proper divisors (1).

220342435231 is an equidigital number, since it uses as much as digits as its factorization.

220342435231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 220342435231 its reverse (132534243022), we get a palindrome (352876678253).

The spelling of 220342435231 in words is "two hundred twenty billion, three hundred forty-two million, four hundred thirty-five thousand, two hundred thirty-one".