42231304 has 8 divisors (see below), whose sum is σ = 79183710. Its totient is φ = 21115648.

The previous prime is 42231283. The next prime is 42231311. The reversal of 42231304 is 40313224.

It can be written as a sum of positive squares in only one way, i.e., 22071204 + 20160100 = 4698^2 + 4490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639449 + ... + 2639464.

Almost surely, 2^42231304 is an apocalyptic number.

It is an amenable number.

42231304 is a deficient number, since it is larger than the sum of its proper divisors (36952406).

42231304 is a wasteful number, since it uses less digits than its factorization.

42231304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278919 (or 5278915 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 42231304 is about 6498.5616870197. The cubic root of 42231304 is about 348.2396068632.

Adding to 42231304 its reverse (40313224), we get a palindrome (82544528).

The spelling of 42231304 in words is "forty-two million, two hundred thirty-one thousand, three hundred four".