311402143233011 has 2 divisors, whose sum is σ = 311402143233012. Its totient is φ = 311402143233010.

The previous prime is 311402143232977. The next prime is 311402143233047. The reversal of 311402143233011 is 110332341204113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311402143233011 - 2²⁶ = 311402076124147 is a prime.

It is a super-2 number, since 2×311402143233011² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (311402143233611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155701071616505 + 155701071616506.

It is an arithmetic number, because the mean of its divisors is an integer number (155701071616506).

Almost surely, 2^{311402143233011} is an apocalyptic number.

311402143233011 is a deficient number, since it is larger than the sum of its proper divisors (1).

311402143233011 is an equidigital number, since it uses as much as digits as its factorization.

311402143233011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 311402143233011 its reverse (110332341204113), we get a palindrome (421734484437124).

The spelling of 311402143233011 in words is "three hundred eleven trillion, four hundred two billion, one hundred forty-three million, two hundred thirty-three thousand, eleven".