2311134491 has 8 divisors (see below), whose sum is σ = 2320800768. Its totient is φ = 2301489000.

The previous prime is 2311134487. The next prime is 2311134509. The reversal of 2311134491 is 1944311132.

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 not a de Polignac number, because 2311134491 - 2² = 2311134487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311134401) 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, 241406 + ... + 250796.

It is an arithmetic number, because the mean of its divisors is an integer number (290100096).

Almost surely, 2^2311134491 is an apocalyptic number.

2311134491 is a deficient number, since it is larger than the sum of its proper divisors (9666277).

2311134491 is an equidigital number, since it uses as much as digits as its factorization.

2311134491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393.

The product of its digits is 2592, while the sum is 29.

The square root of 2311134491 is about 48074.2601711144. The cubic root of 2311134491 is about 1322.1327801202.

The spelling of 2311134491 in words is "two billion, three hundred eleven million, one hundred thirty-four thousand, four hundred ninety-one".