131130223312 has 40 divisors (see below), whose sum is σ = 281705264352. Its totient is φ = 58627516800.

The previous prime is 131130223277. The next prime is 131130223327. The reversal of 131130223312 is 213322031131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6096298 + ... + 6117769.

Almost surely, 2^131130223312 is an apocalyptic number.

It is an amenable number.

131130223312 is an abundant number, since it is smaller than the sum of its proper divisors (150575041040).

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

131130223312 is a wasteful number, since it uses less digits than its factorization.

131130223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12214147 (or 12214141 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131130223312 its reverse (213322031131), we get a palindrome (344452254443).

The spelling of 131130223312 in words is "one hundred thirty-one billion, one hundred thirty million, two hundred twenty-three thousand, three hundred twelve".