1320112131 has 8 divisors (see below), whose sum is σ = 1895545680. Its totient is φ = 812376672.

The previous prime is 1320112099. The next prime is 1320112139. The reversal of 1320112131 is 1312110231.

It is a happy number.

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

It is not a de Polignac number, because 1320112131 - 2⁵ = 1320112099 is a prime.

It is a super-2 number, since 2×1320112131² = 3485392076826722322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1320112131.

It is not an unprimeable number, because it can be changed into a prime (1320112139) 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, 16924476 + ... + 16924553.

It is an arithmetic number, because the mean of its divisors is an integer number (236943210).

Almost surely, 2^1320112131 is an apocalyptic number.

1320112131 is a deficient number, since it is larger than the sum of its proper divisors (575433549).

1320112131 is a wasteful number, since it uses less digits than its factorization.

1320112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33849045.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1320112131 is about 36333.3473684988. The cubic root of 1320112131 is about 1096.9923710638.

Adding to 1320112131 its reverse (1312110231), we get a palindrome (2632222362).

The spelling of 1320112131 in words is "one billion, three hundred twenty million, one hundred twelve thousand, one hundred thirty-one".