120131001311 has 4 divisors (see below), whose sum is σ = 120137412432. Its totient is φ = 120124590192.

The previous prime is 120131001281. The next prime is 120131001337. The reversal of 120131001311 is 113100131021.

It is a happy number.

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 120131001311 - 2⁶ = 120131001247 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 (120131001511) 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, 3177371 + ... + 3214956.

It is an arithmetic number, because the mean of its divisors is an integer number (30034353108).

Almost surely, 2^120131001311 is an apocalyptic number.

120131001311 is a deficient number, since it is larger than the sum of its proper divisors (6411121).

120131001311 is an equidigital number, since it uses as much as digits as its factorization.

120131001311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6411120.

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

Adding to 120131001311 its reverse (113100131021), we get a palindrome (233231132332).

The spelling of 120131001311 in words is "one hundred twenty billion, one hundred thirty-one million, one thousand, three hundred eleven".