220102323131 has 2 divisors, whose sum is σ = 220102323132. Its totient is φ = 220102323130.

The previous prime is 220102323107. The next prime is 220102323139. The reversal of 220102323131 is 131323201022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220102323131 - 2¹⁴ = 220102306747 is a prime.

It is a super-2 number, since 2×220102323131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220102323139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051161565 + 110051161566.

It is an arithmetic number, because the mean of its divisors is an integer number (110051161566).

Almost surely, 2^220102323131 is an apocalyptic number.

220102323131 is a deficient number, since it is larger than the sum of its proper divisors (1).

220102323131 is an equidigital number, since it uses as much as digits as its factorization.

220102323131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 220102323131 its reverse (131323201022), we get a palindrome (351425524153).

The spelling of 220102323131 in words is "two hundred twenty billion, one hundred two million, three hundred twenty-three thousand, one hundred thirty-one".