311402110043 has 4 divisors (see below), whose sum is σ = 329719881240. Its totient is φ = 293084338848.

The previous prime is 311402110031. The next prime is 311402110049. The reversal of 311402110043 is 340011204113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 311402110043 - 2⁸ = 311402109787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311402109997 and 311402110024.

It is not an unprimeable number, because it can be changed into a prime (311402110049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9158885573 + ... + 9158885606.

It is an arithmetic number, because the mean of its divisors is an integer number (82429970310).

Almost surely, 2^311402110043 is an apocalyptic number.

311402110043 is a deficient number, since it is larger than the sum of its proper divisors (18317771197).

311402110043 is a wasteful number, since it uses less digits than its factorization.

311402110043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18317771196.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 311402110043 its reverse (340011204113), we get a palindrome (651413314156).

The spelling of 311402110043 in words is "three hundred eleven billion, four hundred two million, one hundred ten thousand, forty-three".