31948634 has 8 divisors (see below), whose sum is σ = 47952660. Its totient is φ = 15964416.

The previous prime is 31948621. The next prime is 31948639. The reversal of 31948634 is 43684913.

It can be written as a sum of positive squares in 2 ways, for example, as 31888609 + 60025 = 5647^2 + 245^2 .

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 (31948639) 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, 122 + ... + 7994.

Almost surely, 2^31948634 is an apocalyptic number.

31948634 is a deficient number, since it is larger than the sum of its proper divisors (16004026).

31948634 is a wasteful number, since it uses less digits than its factorization.

31948634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9904.

The product of its digits is 62208, while the sum is 38.

The square root of 31948634 is about 5652.3122702130. The cubic root of 31948634 is about 317.3102476654.

The spelling of 31948634 in words is "thirty-one million, nine hundred forty-eight thousand, six hundred thirty-four".