113131432 has 8 divisors (see below), whose sum is σ = 212121450. Its totient is φ = 56565712.

The previous prime is 113131429. The next prime is 113131441. The reversal of 113131432 is 234131311.

It can be written as a sum of positive squares in only one way, i.e., 107868996 + 5262436 = 10386^2 + 2294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7070707 + ... + 7070722.

Almost surely, 2^113131432 is an apocalyptic number.

It is an amenable number.

113131432 is a deficient number, since it is larger than the sum of its proper divisors (98990018).

113131432 is a wasteful number, since it uses less digits than its factorization.

113131432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14141435 (or 14141431 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 113131432 is about 10636.3260574317. The cubic root of 113131432 is about 483.6461794930.

Adding to 113131432 its reverse (234131311), we get a palindrome (347262743).

The spelling of 113131432 in words is "one hundred thirteen million, one hundred thirty-one thousand, four hundred thirty-two".