2311201011 has 32 divisors (see below), whose sum is σ = 3599411200. Its totient is φ = 1291904640.

The previous prime is 2311201003. The next prime is 2311201027. The reversal of 2311201011 is 1101021132.

It is not a de Polignac number, because 2311201011 - 2³ = 2311201003 is a prime.

It is a super-2 number, since 2×2311201011² = 10683300226494844242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2311201031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174441 + ... + 187221.

It is an arithmetic number, because the mean of its divisors is an integer number (112481600).

Almost surely, 2^2311201011 is an apocalyptic number.

2311201011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2311201011 is a deficient number, since it is larger than the sum of its proper divisors (1288210189).

2311201011 is a wasteful number, since it uses less digits than its factorization.

2311201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12979.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2311201011 is about 48074.9520124565. The cubic root of 2311201011 is about 1322.1454647172.

Adding to 2311201011 its reverse (1101021132), we get a palindrome (3412222143).

The spelling of 2311201011 in words is "two billion, three hundred eleven million, two hundred one thousand, eleven".