120031101311 has 8 divisors (see below), whose sum is σ = 131194356048. Its totient is φ = 108909736000.

The previous prime is 120031101299. The next prime is 120031101313. The reversal of 120031101311 is 113101130021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120031101311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031101313) 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, 10466360 + ... + 10477821.

It is an arithmetic number, because the mean of its divisors is an integer number (16399294506).

Almost surely, 2^120031101311 is an apocalyptic number.

120031101311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120031101311 is a deficient number, since it is larger than the sum of its proper divisors (11163254737).

120031101311 is a wasteful number, since it uses less digits than its factorization.

120031101311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20944713.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 120031101311 its reverse (113101130021), we get a palindrome (233132231332).

The spelling of 120031101311 in words is "one hundred twenty billion, thirty-one million, one hundred one thousand, three hundred eleven".