131103231222 has 16 divisors (see below), whose sum is σ = 268304287680. Its totient is φ = 42684772872.

The previous prime is 131103231167. The next prime is 131103231227. The reversal of 131103231222 is 222132301131.

It is a super-2 number, since 2×131103231222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103231227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254075772 + ... + 254076287.

It is an arithmetic number, because the mean of its divisors is an integer number (16769017980).

Almost surely, 2^131103231222 is an apocalyptic number.

131103231222 is an abundant number, since it is smaller than the sum of its proper divisors (137201056458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131103231222 is a wasteful number, since it uses less digits than its factorization.

131103231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508152107.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131103231222 its reverse (222132301131), we get a palindrome (353235532353).

The spelling of 131103231222 in words is "one hundred thirty-one billion, one hundred three million, two hundred thirty-one thousand, two hundred twenty-two".