131123234132 has 36 divisors (see below), whose sum is σ = 255987164160. Its totient is φ = 58711881360.

The previous prime is 131123234129. The next prime is 131123234153. The reversal of 131123234132 is 231432321131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1989332 + ... + 2054187.

It is an arithmetic number, because the mean of its divisors is an integer number (7110754560).

Almost surely, 2^131123234132 is an apocalyptic number.

It is an amenable number.

131123234132 is a deficient number, since it is larger than the sum of its proper divisors (124863930028).

131123234132 is a wasteful number, since it uses less digits than its factorization.

131123234132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043612 (or 4043599 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 131123234132 its reverse (231432321131), we get a palindrome (362555555263).

The spelling of 131123234132 in words is "one hundred thirty-one billion, one hundred twenty-three million, two hundred thirty-four thousand, one hundred thirty-two".