120113431 has 4 divisors (see below), whose sum is σ = 120148000. Its totient is φ = 120078864.

The previous prime is 120113419. The next prime is 120113467. The reversal of 120113431 is 134311021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120113431 - 2⁷ = 120113303 is a prime.

It is a super-2 number, since 2×120113431² = 28854472613183522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120113401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11406 + ... + 19243.

It is an arithmetic number, because the mean of its divisors is an integer number (30037000).

Almost surely, 2^120113431 is an apocalyptic number.

120113431 is a deficient number, since it is larger than the sum of its proper divisors (34569).

120113431 is an equidigital number, since it uses as much as digits as its factorization.

120113431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34568.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 120113431 is about 10959.6273203061. The cubic root of 120113431 is about 493.3977797574.

Adding to 120113431 its reverse (134311021), we get a palindrome (254424452).

The spelling of 120113431 in words is "one hundred twenty million, one hundred thirteen thousand, four hundred thirty-one".