120230311 has 4 divisors (see below), whose sum is σ = 120428992. Its totient is φ = 120031632.

The previous prime is 120230303. The next prime is 120230351. The reversal of 120230311 is 113032021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113032021 = 2053 ⋅55057.

It is a cyclic number.

It is not a de Polignac number, because 120230311 - 2³ = 120230303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120230291 and 120230300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120230351) 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, 98430 + ... + 99643.

It is an arithmetic number, because the mean of its divisors is an integer number (30107248).

Almost surely, 2^120230311 is an apocalyptic number.

120230311 is a deficient number, since it is larger than the sum of its proper divisors (198681).

120230311 is an equidigital number, since it uses as much as digits as its factorization.

120230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198680.

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

The square root of 120230311 is about 10964.9583218542. The cubic root of 120230311 is about 493.5577664101.

Adding to 120230311 its reverse (113032021), we get a palindrome (233262332).

It can be divided in two parts, 1202 and 30311, that added together give a palindrome (31513).

The spelling of 120230311 in words is "one hundred twenty million, two hundred thirty thousand, three hundred eleven".