131011102224 has 30 divisors (see below), whose sum is σ = 366649126766. Its totient is φ = 43670367360.

The previous prime is 131011102181. The next prime is 131011102279. The reversal of 131011102224 is 422201110131.

It can be written as a sum of positive squares in only one way, i.e., 130803742224 + 207360000 = 361668^2 + 14400^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131011102197 and 131011102206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454899517 + ... + 454899804.

Almost surely, 2^131011102224 is an apocalyptic number.

It is an amenable number.

131011102224 is an abundant number, since it is smaller than the sum of its proper divisors (235638024542).

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

131011102224 is a wasteful number, since it uses less digits than its factorization.

131011102224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909799335 (or 909799326 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 131011102224 its reverse (422201110131), we get a palindrome (553212212355).

The spelling of 131011102224 in words is "one hundred thirty-one billion, eleven million, one hundred two thousand, two hundred twenty-four".