31642034 has 8 divisors (see below), whose sum is σ = 47883420. Its totient is φ = 15680896.

The previous prime is 31642033. The next prime is 31642057. The reversal of 31642034 is 43024613.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28569025 + 3073009 = 5345^2 + 1753^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31642031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69779 + ... + 70230.

Almost surely, 2^31642034 is an apocalyptic number.

31642034 is a deficient number, since it is larger than the sum of its proper divisors (16241386).

31642034 is a wasteful number, since it uses less digits than its factorization.

31642034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140124.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 31642034 is about 5625.1252430501. The cubic root of 31642034 is about 316.2919443187.

Adding to 31642034 its reverse (43024613), we get a palindrome (74666647).

The spelling of 31642034 in words is "thirty-one million, six hundred forty-two thousand, thirty-four".