42310032051 has 16 divisors (see below), whose sum is σ = 64490273024. Its totient is φ = 24170469984.

The previous prime is 42310032001. The next prime is 42310032071. The reversal of 42310032051 is 15023001324.

It is not a de Polignac number, because 42310032051 - 2⁷ = 42310031923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42310032001) 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, 200605 + ... + 353358.

It is an arithmetic number, because the mean of its divisors is an integer number (4030642064).

Almost surely, 2^42310032051 is an apocalyptic number.

42310032051 is a deficient number, since it is larger than the sum of its proper divisors (22180240973).

42310032051 is a wasteful number, since it uses less digits than its factorization.

42310032051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557610.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 42310032051 its reverse (15023001324), we get a palindrome (57333033375).

The spelling of 42310032051 in words is "forty-two billion, three hundred ten million, thirty-two thousand, fifty-one".