31042234 has 4 divisors (see below), whose sum is σ = 46563354. Its totient is φ = 15521116.

The previous prime is 31042217. The next prime is 31042241. The reversal of 31042234 is 43224013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28783225 + 2259009 = 5365^2 + 1503^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7760557 + ... + 7760560.

Almost surely, 2^31042234 is an apocalyptic number.

31042234 is a deficient number, since it is larger than the sum of its proper divisors (15521120).

31042234 is a wasteful number, since it uses less digits than its factorization.

31042234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15521119.

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

The square root of 31042234 is about 5571.5557970822. Note that the first 3 decimals coincide. The cubic root of 31042234 is about 314.2806597180.

Adding to 31042234 its reverse (43224013), we get a palindrome (74266247).

The spelling of 31042234 in words is "thirty-one million, forty-two thousand, two hundred thirty-four".