222100131031 has 2 divisors, whose sum is σ = 222100131032. Its totient is φ = 222100131030.

The previous prime is 222100131023. The next prime is 222100131049. The reversal of 222100131031 is 130131001222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222100131031 - 2³ = 222100131023 is a prime.

It is a super-2 number, since 2×222100131031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222100130996 and 222100131014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222100131431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050065515 + 111050065516.

It is an arithmetic number, because the mean of its divisors is an integer number (111050065516).

Almost surely, 2^222100131031 is an apocalyptic number.

222100131031 is a deficient number, since it is larger than the sum of its proper divisors (1).

222100131031 is an equidigital number, since it uses as much as digits as its factorization.

222100131031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 222100131031 its reverse (130131001222), we get a palindrome (352231132253).

The spelling of 222100131031 in words is "two hundred twenty-two billion, one hundred million, one hundred thirty-one thousand, thirty-one".