1120312311 has 16 divisors (see below), whose sum is σ = 1553288160. Its totient is φ = 717373440.

The previous prime is 1120312243. The next prime is 1120312343. The reversal of 1120312311 is 1132130211.

It is a happy number.

It is not a de Polignac number, because 1120312311 - 2⁷ = 1120312183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120312211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16570 + ... + 50151.

It is an arithmetic number, because the mean of its divisors is an integer number (97080510).

Almost surely, 2^1120312311 is an apocalyptic number.

1120312311 is a deficient number, since it is larger than the sum of its proper divisors (432975849).

1120312311 is a wasteful number, since it uses less digits than its factorization.

1120312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66946.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1120312311 is about 33471.0667741559. The cubic root of 1120312311 is about 1038.5953395556.

Adding to 1120312311 its reverse (1132130211), we get a palindrome (2252442522).

The spelling of 1120312311 in words is "one billion, one hundred twenty million, three hundred twelve thousand, three hundred eleven".