42231545321 has 16 divisors (see below), whose sum is σ = 48732601344. Its totient is φ = 35849170944.

The previous prime is 42231545311. The next prime is 42231545327. The reversal of 42231545321 is 12354513224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42231545321 is a prime.

It is a super-3 number, since 3×42231545321³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42231545327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231185 + ... + 371361.

It is an arithmetic number, because the mean of its divisors is an integer number (3045787584).

Almost surely, 2^42231545321 is an apocalyptic number.

It is an amenable number.

42231545321 is a deficient number, since it is larger than the sum of its proper divisors (6501056023).

42231545321 is a wasteful number, since it uses less digits than its factorization.

42231545321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140600.

The product of its digits is 28800, while the sum is 32.

The spelling of 42231545321 in words is "forty-two billion, two hundred thirty-one million, five hundred forty-five thousand, three hundred twenty-one".