2311402312 has 32 divisors (see below), whose sum is σ = 4486635000. Its totient is φ = 1115025408.

The previous prime is 2311402277. The next prime is 2311402351. The reversal of 2311402312 is 2132041132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2135733796 + 175668516 = 46214^2 + 13254^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2311402312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412264 + ... + 417832.

Almost surely, 2^2311402312 is an apocalyptic number.

It is an amenable number.

2311402312 is a deficient number, since it is larger than the sum of its proper divisors (2175232688).

2311402312 is a wasteful number, since it uses less digits than its factorization.

2311402312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7393 (or 7389 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2311402312 is about 48077.0455831055. The cubic root of 2311402312 is about 1322.1838490141.

Adding to 2311402312 its reverse (2132041132), we get a palindrome (4443443444).

The spelling of 2311402312 in words is "two billion, three hundred eleven million, four hundred two thousand, three hundred twelve".