42433121131 has 8 divisors (see below), whose sum is σ = 43354193760. Its totient is φ = 41516509632.

The previous prime is 42433121089. The next prime is 42433121141. The reversal of 42433121131 is 13112133424.

42433121131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42433121131 is a prime.

It is a super-2 number, since 2×42433121131² (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 = 42433121096 and 42433121105.

It is not an unprimeable number, because it can be changed into a prime (42433121141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096050 + ... + 1134103.

It is an arithmetic number, because the mean of its divisors is an integer number (5419274220).

Almost surely, 2^42433121131 is an apocalyptic number.

42433121131 is a deficient number, since it is larger than the sum of its proper divisors (921072629).

42433121131 is a wasteful number, since it uses less digits than its factorization.

42433121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230565.

The product of its digits is 1728, while the sum is 25.

Adding to 42433121131 its reverse (13112133424), we get a palindrome (55545254555).

The spelling of 42433121131 in words is "forty-two billion, four hundred thirty-three million, one hundred twenty-one thousand, one hundred thirty-one".