42231240133 has 4 divisors (see below), whose sum is σ = 42346312000. Its totient is φ = 42116168268.

The previous prime is 42231240101. The next prime is 42231240197. The reversal of 42231240133 is 33104213224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42231240133 - 2⁵ = 42231240101 is a prime.

It is a super-2 number, since 2×42231240133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42231240098 and 42231240107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42231249133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57535383 + ... + 57536116.

It is an arithmetic number, because the mean of its divisors is an integer number (10586578000).

Almost surely, 2^42231240133 is an apocalyptic number.

It is an amenable number.

42231240133 is a deficient number, since it is larger than the sum of its proper divisors (115071867).

42231240133 is a wasteful number, since it uses less digits than its factorization.

42231240133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115071866.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42231240133 its reverse (33104213224), we get a palindrome (75335453357).

The spelling of 42231240133 in words is "forty-two billion, two hundred thirty-one million, two hundred forty thousand, one hundred thirty-three".