2311325506 has 32 divisors (see below), whose sum is σ = 4009444992. Its totient is φ = 978808320.

The previous prime is 2311325503. The next prime is 2311325521. The reversal of 2311325506 is 6055231132.

It is a super-3 number, since 3×2311325506³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2311325501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1385685 + ... + 1387351.

It is an arithmetic number, because the mean of its divisors is an integer number (125295156).

Almost surely, 2^2311325506 is an apocalyptic number.

2311325506 is a deficient number, since it is larger than the sum of its proper divisors (1698119486).

2311325506 is a wasteful number, since it uses less digits than its factorization.

2311325506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2311325506 is about 48076.2467961050. The cubic root of 2311325506 is about 1322.1692038242.

Adding to 2311325506 its reverse (6055231132), we get a palindrome (8366556638).

The spelling of 2311325506 in words is "two billion, three hundred eleven million, three hundred twenty-five thousand, five hundred six".