2320131306 has 64 divisors (see below), whose sum is σ = 5037626880. Its totient is φ = 709974720.

The previous prime is 2320131293. The next prime is 2320131311. The reversal of 2320131306 is 6031310232.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640356 + ... + 643968.

It is an arithmetic number, because the mean of its divisors is an integer number (78712920).

Almost surely, 2^2320131306 is an apocalyptic number.

2320131306 is an abundant number, since it is smaller than the sum of its proper divisors (2717495574).

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

2320131306 is a wasteful number, since it uses less digits than its factorization.

2320131306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2320131306 is about 48167.7413421057. The cubic root of 2320131306 is about 1323.8461640860.

Adding to 2320131306 its reverse (6031310232), we get a palindrome (8351441538).

The spelling of 2320131306 in words is "two billion, three hundred twenty million, one hundred thirty-one thousand, three hundred six".