120320131 has 4 divisors (see below), whose sum is σ = 120467152. Its totient is φ = 120173112.

The previous prime is 120320111. The next prime is 120320173. The reversal of 120320131 is 131023021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131023021 = 43 ⋅3047047.

It is a cyclic number.

It is not a de Polignac number, because 120320131 - 2⁵ = 120320099 is a prime.

It is a super-2 number, since 2×120320131² = 28953867847714322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120320111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72276 + ... + 73921.

It is an arithmetic number, because the mean of its divisors is an integer number (30116788).

Almost surely, 2^120320131 is an apocalyptic number.

120320131 is a deficient number, since it is larger than the sum of its proper divisors (147021).

120320131 is an equidigital number, since it uses as much as digits as its factorization.

120320131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147020.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 120320131 is about 10969.0533319881. The cubic root of 120320131 is about 493.6806425891.

Adding to 120320131 its reverse (131023021), we get a palindrome (251343152).

The spelling of 120320131 in words is "one hundred twenty million, three hundred twenty thousand, one hundred thirty-one".