2311240234312 has 32 divisors (see below), whose sum is σ = 4441474600920. Its totient is φ = 1126874972160.

The previous prime is 2311240234279. The next prime is 2311240234319. The reversal of 2311240234312 is 2134320421132.

It can be written as a sum of positive squares in 4 ways, for example, as 2030778902916 + 280461331396 = 1425054^2 + 529586^2 .

It is a super-2 number, since 2×2311240234312² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2311240234319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085193 + ... + 2408344.

Almost surely, 2^{2311240234312} is an apocalyptic number.

It is an amenable number.

2311240234312 is a deficient number, since it is larger than the sum of its proper divisors (2130234366608).

2311240234312 is a wasteful number, since it uses less digits than its factorization.

2311240234312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495601 (or 3495597 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2311240234312 its reverse (2134320421132), we get a palindrome (4445560655444).

The spelling of 2311240234312 in words is "two trillion, three hundred eleven billion, two hundred forty million, two hundred thirty-four thousand, three hundred twelve".