42002333231 has 2 divisors, whose sum is σ = 42002333232. Its totient is φ = 42002333230.

The previous prime is 42002333213. The next prime is 42002333249. The reversal of 42002333231 is 13233320024.

Together with previous prime (42002333213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (42002333213) and next prime (42002333249).

It is a cyclic number.

It is not a de Polignac number, because 42002333231 - 2⁶ = 42002333167 is a prime.

It is a super-2 number, since 2×42002333231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42002333197 and 42002333206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42002333291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21001166615 + 21001166616.

It is an arithmetic number, because the mean of its divisors is an integer number (21001166616).

Almost surely, 2^42002333231 is an apocalyptic number.

42002333231 is a deficient number, since it is larger than the sum of its proper divisors (1).

42002333231 is an equidigital number, since it uses as much as digits as its factorization.

42002333231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 42002333231 its reverse (13233320024), we get a palindrome (55235653255).

The spelling of 42002333231 in words is "forty-two billion, two million, three hundred thirty-three thousand, two hundred thirty-one".