220310131331 has 2 divisors, whose sum is σ = 220310131332. Its totient is φ = 220310131330.

The previous prime is 220310131319. The next prime is 220310131333. The reversal of 220310131331 is 133131013022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220310131331 is a prime.

It is a super-2 number, since 2×220310131331² (a number of 23 digits) contains 22 as substring.

Together with 220310131333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220310131333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110155065665 + 110155065666.

It is an arithmetic number, because the mean of its divisors is an integer number (110155065666).

Almost surely, 2^220310131331 is an apocalyptic number.

220310131331 is a deficient number, since it is larger than the sum of its proper divisors (1).

220310131331 is an equidigital number, since it uses as much as digits as its factorization.

220310131331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 220310131331 its reverse (133131013022), we get a palindrome (353441144353).

The spelling of 220310131331 in words is "two hundred twenty billion, three hundred ten million, one hundred thirty-one thousand, three hundred thirty-one".