311402143233043 has 4 divisors (see below), whose sum is σ = 311426754179328. Its totient is φ = 311377532286760.

The previous prime is 311402143233011. The next prime is 311402143233047. The reversal of 311402143233043 is 340332341204113.

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 311402143233043 - 2⁵ = 311402143233011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311402143233047) 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, 12305454163 + ... + 12305479468.

It is an arithmetic number, because the mean of its divisors is an integer number (77856688544832).

Almost surely, 2^{311402143233043} is an apocalyptic number.

311402143233043 is a deficient number, since it is larger than the sum of its proper divisors (24610946285).

311402143233043 is a wasteful number, since it uses less digits than its factorization.

311402143233043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24610946284.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 311402143233043 its reverse (340332341204113), we get a palindrome (651734484437156).

The spelling of 311402143233043 in words is "three hundred eleven trillion, four hundred two billion, one hundred forty-three million, two hundred thirty-three thousand, forty-three".