2311047 has 12 divisors (see below), whose sum is σ = 3420144. Its totient is φ = 1502880.

The previous prime is 2311021. The next prime is 2311051. The reversal of 2311047 is 7401132.

It is a de Polignac number, because none of the positive numbers 2^k-2311047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2763 + ... + 3500.

It is an arithmetic number, because the mean of its divisors is an integer number (285012).

2^2311047 is an apocalyptic number.

2311047 is a deficient number, since it is larger than the sum of its proper divisors (1109097).

2311047 is a wasteful number, since it uses less digits than its factorization.

2311047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310 (or 6307 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2311047 is about 1520.2128140494. The cubic root of 2311047 is about 132.2116096225.

Adding to 2311047 its reverse (7401132), we get a palindrome (9712179).

The spelling of 2311047 in words is "two million, three hundred eleven thousand, forty-seven".