220240314331 has 2 divisors, whose sum is σ = 220240314332. Its totient is φ = 220240314330.

The previous prime is 220240314227. The next prime is 220240314361. The reversal of 220240314331 is 133413042022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220240314331 - 2²³ = 220231925723 is a prime.

It is a super-2 number, since 2×220240314331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220240314296 and 220240314305.

It is not a weakly prime, because it can be changed into another prime (220240314361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110120157165 + 110120157166.

It is an arithmetic number, because the mean of its divisors is an integer number (110120157166).

Almost surely, 2^220240314331 is an apocalyptic number.

220240314331 is a deficient number, since it is larger than the sum of its proper divisors (1).

220240314331 is an equidigital number, since it uses as much as digits as its factorization.

220240314331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 220240314331 its reverse (133413042022), we get a palindrome (353653356353).

The spelling of 220240314331 in words is "two hundred twenty billion, two hundred forty million, three hundred fourteen thousand, three hundred thirty-one".