113444131432 has 64 divisors (see below), whose sum is σ = 216226771200. Its totient is φ = 55792800000.

The previous prime is 113444131403. The next prime is 113444131439. The reversal of 113444131432 is 234131444311.

It is a junction number, because it is equal to n+sod(n) for n = 113444131394 and 113444131403.

It is not an unprimeable number, because it can be changed into a prime (113444131439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138177582 + ... + 138178402.

It is an arithmetic number, because the mean of its divisors is an integer number (3378543300).

Almost surely, 2^113444131432 is an apocalyptic number.

It is an amenable number.

113444131432 is a deficient number, since it is larger than the sum of its proper divisors (102782639768).

113444131432 is a wasteful number, since it uses less digits than its factorization.

113444131432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898 (or 1894 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

Adding to 113444131432 its reverse (234131444311), we get a palindrome (347575575743).

The spelling of 113444131432 in words is "one hundred thirteen billion, four hundred forty-four million, one hundred thirty-one thousand, four hundred thirty-two".