112131311 has 8 divisors (see below), whose sum is σ = 113635344. Its totient is φ = 110635200.

The previous prime is 112131307. The next prime is 112131317. The reversal of 112131311 is 113131211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112131311 - 2² = 112131307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112131317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29840 + ... + 33386.

It is an arithmetic number, because the mean of its divisors is an integer number (14204418).

Almost surely, 2^112131311 is an apocalyptic number.

112131311 is a deficient number, since it is larger than the sum of its proper divisors (1504033).

112131311 is a wasteful number, since it uses less digits than its factorization.

112131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961.

The product of its digits is 18, while the sum is 14.

The square root of 112131311 is about 10589.2072885556. The cubic root of 112131311 is about 482.2167591384.

Adding to 112131311 its reverse (113131211), we get a palindrome (225262522).

It can be divided in two parts, 1121 and 31311, that multiplied together give a triangular number (35099631 = T₈₃₇₈).

The spelling of 112131311 in words is "one hundred twelve million, one hundred thirty-one thousand, three hundred eleven".