131222330232 has 32 divisors (see below), whose sum is σ = 374920944000. Its totient is φ = 37492094304.

The previous prime is 131222330221. The next prime is 131222330233. The reversal of 131222330232 is 232033222131.

131222330232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131222330232² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222330233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390542482 + ... + 390542817.

It is an arithmetic number, because the mean of its divisors is an integer number (11716279500).

Almost surely, 2^131222330232 is an apocalyptic number.

131222330232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131222330232 is an abundant number, since it is smaller than the sum of its proper divisors (243698613768).

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

131222330232 is a wasteful number, since it uses less digits than its factorization.

131222330232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781085315 (or 781085311 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 131222330232 its reverse (232033222131), we get a palindrome (363255552363).

The spelling of 131222330232 in words is "one hundred thirty-one billion, two hundred twenty-two million, three hundred thirty thousand, two hundred thirty-two".