131232403234 has 16 divisors (see below), whose sum is σ = 197200681920. Its totient is φ = 65498922160.

The previous prime is 131232403231. The next prime is 131232403241. The reversal of 131232403234 is 432304232131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131232403231) by changing a digit.

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, 3564432 + ... + 3601060.

It is an arithmetic number, because the mean of its divisors is an integer number (12325042620).

Almost surely, 2^131232403234 is an apocalyptic number.

131232403234 is a deficient number, since it is larger than the sum of its proper divisors (65968278686).

131232403234 is a wasteful number, since it uses less digits than its factorization.

131232403234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39785.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 131232403234 its reverse (432304232131), we get a palindrome (563536635365).

The spelling of 131232403234 in words is "one hundred thirty-one billion, two hundred thirty-two million, four hundred three thousand, two hundred thirty-four".