4042402311331 has 2 divisors, whose sum is σ = 4042402311332. Its totient is φ = 4042402311330.

The previous prime is 4042402311307. The next prime is 4042402311473. The reversal of 4042402311331 is 1331132042404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4042402311331 - 2³⁷ = 3904963357859 is a prime.

It is a super-2 number, since 2×4042402311331² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4042402311331.

It is not a weakly prime, because it can be changed into another prime (4042402315331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021201155665 + 2021201155666.

It is an arithmetic number, because the mean of its divisors is an integer number (2021201155666).

Almost surely, 2^{4042402311331} is an apocalyptic number.

4042402311331 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042402311331 is an equidigital number, since it uses as much as digits as its factorization.

4042402311331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 4042402311331 its reverse (1331132042404), we get a palindrome (5373534353735).

The spelling of 4042402311331 in words is "four trillion, forty-two billion, four hundred two million, three hundred eleven thousand, three hundred thirty-one".