2311030123312 has 10 divisors (see below), whose sum is σ = 4477620863948. Its totient is φ = 1155515061648.

The previous prime is 2311030123301. The next prime is 2311030123321. The reversal of 2311030123312 is 2133210301132.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72219691338 + ... + 72219691369.

Almost surely, 2^{2311030123312} is an apocalyptic number.

It is an amenable number.

2311030123312 is a deficient number, since it is larger than the sum of its proper divisors (2166590740636).

2311030123312 is a wasteful number, since it uses less digits than its factorization.

2311030123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144439382715 (or 144439382709 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2311030123312 its reverse (2133210301132), we get a palindrome (4444240424444).

It can be divided in two parts, 2311030 and 123312, that added together give a palindrome (2434342).

The spelling of 2311030123312 in words is "two trillion, three hundred eleven billion, thirty million, one hundred twenty-three thousand, three hundred twelve".