113021312 has 16 divisors (see below), whose sum is σ = 225159900. Its totient is φ = 56510592.

The previous prime is 113021309. The next prime is 113021327. The reversal of 113021312 is 213120311.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 441362 + ... + 441617.

Almost surely, 2^113021312 is an apocalyptic number.

It is an amenable number.

113021312 is a deficient number, since it is larger than the sum of its proper divisors (112138588).

113021312 is an frugal number, since it uses more digits than its factorization.

113021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882993 (or 882981 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 113021312 is about 10631.1481976313. The cubic root of 113021312 is about 483.4892045298.

Adding to 113021312 its reverse (213120311), we get a palindrome (326141623).

The spelling of 113021312 in words is "one hundred thirteen million, twenty-one thousand, three hundred twelve".