120311233113 has 16 divisors (see below), whose sum is σ = 164839044800. Its totient is φ = 77997784896.

The previous prime is 120311233109. The next prime is 120311233157. The reversal of 120311233113 is 311332113021.

It is a happy number.

It is not a de Polignac number, because 120311233113 - 2² = 120311233109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120311233113.

It is not an unprimeable number, because it can be changed into a prime (120311233813) 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, 83038 + ... + 497511.

It is an arithmetic number, because the mean of its divisors is an integer number (10302440300).

Almost surely, 2^120311233113 is an apocalyptic number.

It is an amenable number.

120311233113 is a deficient number, since it is larger than the sum of its proper divisors (44527811687).

120311233113 is a wasteful number, since it uses less digits than its factorization.

120311233113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582456.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 120311233113 its reverse (311332113021), we get a palindrome (431643346134).

The spelling of 120311233113 in words is "one hundred twenty billion, three hundred eleven million, two hundred thirty-three thousand, one hundred thirteen".