120131311 has 8 divisors (see below), whose sum is σ = 124503120. Its totient is φ = 115774848.

The previous prime is 120131279. The next prime is 120131383. The reversal of 120131311 is 113131021.

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

It is a cyclic number.

It is not a de Polignac number, because 120131311 - 2⁵ = 120131279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120131291 and 120131300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120131111) 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, 13495 + ... + 20551.

It is an arithmetic number, because the mean of its divisors is an integer number (15562890).

Almost surely, 2^120131311 is an apocalyptic number.

120131311 is a deficient number, since it is larger than the sum of its proper divisors (4371809).

120131311 is an equidigital number, since it uses as much as digits as its factorization.

120131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 120131311 is about 10960.4430111196. The cubic root of 120131311 is about 493.4222608237.

Adding to 120131311 its reverse (113131021), we get a palindrome (233262332).

The spelling of 120131311 in words is "one hundred twenty million, one hundred thirty-one thousand, three hundred eleven".