42312104 has 8 divisors (see below), whose sum is σ = 79335210. Its totient is φ = 21156048.

The previous prime is 42312103. The next prime is 42312121. The reversal of 42312104 is 40121324.

It can be written as a sum of positive squares in only one way, i.e., 42276004 + 36100 = 6502^2 + 190^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42312103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2644499 + ... + 2644514.

Almost surely, 2^42312104 is an apocalyptic number.

It is an amenable number.

42312104 is a deficient number, since it is larger than the sum of its proper divisors (37023106).

42312104 is a wasteful number, since it uses less digits than its factorization.

42312104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289019 (or 5289015 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42312104 is about 6504.7754765249. The cubic root of 42312104 is about 348.4615578139.

Adding to 42312104 its reverse (40121324), we get a palindrome (82433428).

The spelling of 42312104 in words is "forty-two million, three hundred twelve thousand, one hundred four".