42431143033 has 4 divisors (see below), whose sum is σ = 42806639988. Its totient is φ = 42055646080.

The previous prime is 42431143031. The next prime is 42431143037. The reversal of 42431143033 is 33034113424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22223951929 + 20207191104 = 149077^2 + 142152^2 .

It is a cyclic number.

It is not a de Polignac number, because 42431143033 - 2¹ = 42431143031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42431142992 and 42431143010.

It is not an unprimeable number, because it can be changed into a prime (42431143031) 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, 187748308 + ... + 187748533.

It is an arithmetic number, because the mean of its divisors is an integer number (10701659997).

Almost surely, 2^42431143033 is an apocalyptic number.

It is an amenable number.

42431143033 is a deficient number, since it is larger than the sum of its proper divisors (375496955).

42431143033 is a wasteful number, since it uses less digits than its factorization.

42431143033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375496954.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 42431143033 its reverse (33034113424), we get a palindrome (75465256457).

The spelling of 42431143033 in words is "forty-two billion, four hundred thirty-one million, one hundred forty-three thousand, thirty-three".