131121232132 has 24 divisors (see below), whose sum is σ = 252661822560. Its totient is φ = 59043543360.

The previous prime is 131121232127. The next prime is 131121232201. The reversal of 131121232132 is 231232121131.

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

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 7 ways as a sum of consecutive naturals, for example, 13920657 + ... + 13930072.

It is an arithmetic number, because the mean of its divisors is an integer number (10527575940).

Almost surely, 2^131121232132 is an apocalyptic number.

It is an amenable number.

131121232132 is a deficient number, since it is larger than the sum of its proper divisors (121540590428).

131121232132 is a wasteful number, since it uses less digits than its factorization.

131121232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27850851 (or 27850849 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 131121232132 its reverse (231232121131), we get a palindrome (362353353263).

The spelling of 131121232132 in words is "one hundred thirty-one billion, one hundred twenty-one million, two hundred thirty-two thousand, one hundred thirty-two".