2311064497 has 4 divisors (see below), whose sum is σ = 2641216576. Its totient is φ = 1980912420.

The previous prime is 2311064489. The next prime is 2311064537. The reversal of 2311064497 is 7944601132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2311064497 - 2³ = 2311064489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311064467) 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, 165076029 + ... + 165076042.

It is an arithmetic number, because the mean of its divisors is an integer number (660304144).

Almost surely, 2^2311064497 is an apocalyptic number.

It is an amenable number.

2311064497 is a deficient number, since it is larger than the sum of its proper divisors (330152079).

2311064497 is an equidigital number, since it uses as much as digits as its factorization.

2311064497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330152078.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 2311064497 is about 48073.5321876810. The cubic root of 2311064497 is about 1322.1194328087.

The spelling of 2311064497 in words is "two billion, three hundred eleven million, sixty-four thousand, four hundred ninety-seven".