31046042 has 8 divisors (see below), whose sum is σ = 46595316. Its totient is φ = 15514272.

The previous prime is 31046033. The next prime is 31046047. The reversal of 31046042 is 24064013.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25290841 + 5755201 = 5029^2 + 2399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31046047) 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, 1808 + ... + 8084.

Almost surely, 2^31046042 is an apocalyptic number.

31046042 is a deficient number, since it is larger than the sum of its proper divisors (15549274).

31046042 is a wasteful number, since it uses less digits than its factorization.

31046042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8752.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 31046042 is about 5571.8975223886. The cubic root of 31046042 is about 314.2935102946.

The spelling of 31046042 in words is "thirty-one million, forty-six thousand, forty-two".