311213043234 has 24 divisors (see below), whose sum is σ = 713959335180. Its totient is φ = 97635464448.

The previous prime is 311213043203. The next prime is 311213043329. The reversal of 311213043234 is 432340312113.

It is a happy number.

311213043234 is a `hidden beast` number, since 3 + 1 + 121 + 304 + 3 + 234 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 302703534225 + 8509509009 = 550185^2 + 92247^2 .

It is a junction number, because it is equal to n+sod(n) for n = 311213043198 and 311213043207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508517739 + ... + 508518350.

Almost surely, 2^311213043234 is an apocalyptic number.

311213043234 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

311213043234 is an abundant number, since it is smaller than the sum of its proper divisors (402746291946).

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

311213043234 is a wasteful number, since it uses less digits than its factorization.

311213043234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017036114 (or 1017036111 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 311213043234 its reverse (432340312113), we get a palindrome (743553355347).

The spelling of 311213043234 in words is "three hundred eleven billion, two hundred thirteen million, forty-three thousand, two hundred thirty-four".