42140233331 has 4 divisors (see below), whose sum is σ = 48160266672. Its totient is φ = 36120199992.

The previous prime is 42140233327. The next prime is 42140233349. The reversal of 42140233331 is 13333204124.

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 42140233331 - 2² = 42140233327 is a prime.

It is a super-2 number, since 2×42140233331² (a number of 22 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 42140233331.

It is not an unprimeable number, because it can be changed into a prime (42140233321) 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, 3010016660 + ... + 3010016673.

It is an arithmetic number, because the mean of its divisors is an integer number (12040066668).

Almost surely, 2^42140233331 is an apocalyptic number.

42140233331 is a deficient number, since it is larger than the sum of its proper divisors (6020033341).

42140233331 is an equidigital number, since it uses as much as digits as its factorization.

42140233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6020033340.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 42140233331 its reverse (13333204124), we get a palindrome (55473437455).

The spelling of 42140233331 in words is "forty-two billion, one hundred forty million, two hundred thirty-three thousand, three hundred thirty-one".