2311122006 has 24 divisors (see below), whose sum is σ = 5089522464. Its totient is φ = 757744560.

The previous prime is 2311121983. The next prime is 2311122029. The reversal of 2311122006 is 6002211132.

It is an interprime number because it is at equal distance from previous prime (2311121983) and next prime (2311122029).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2311122006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1051326 + ... + 1053521.

It is an arithmetic number, because the mean of its divisors is an integer number (212063436).

Almost surely, 2^2311122006 is an apocalyptic number.

2311122006 is an abundant number, since it is smaller than the sum of its proper divisors (2778400458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311122006 is a wasteful number, since it uses less digits than its factorization.

2311122006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104916 (or 2104913 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2311122006 is about 48074.1303197468. The cubic root of 2311122006 is about 1322.1303993475.

Adding to 2311122006 its reverse (6002211132), we get a palindrome (8313333138).

The spelling of 2311122006 in words is "two billion, three hundred eleven million, one hundred twenty-two thousand, six".