31072714 has 12 divisors (see below), whose sum is σ = 49192434. Its totient is φ = 14718312.

The previous prime is 31072697. The next prime is 31072759. The reversal of 31072714 is 41727013.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30991489 + 81225 = 5567^2 + 285^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20797 + ... + 22240.

Almost surely, 2^31072714 is an apocalyptic number.

31072714 is a deficient number, since it is larger than the sum of its proper divisors (18119720).

31072714 is a wasteful number, since it uses less digits than its factorization.

31072714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43077 (or 43058 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 31072714 is about 5574.2904481198. The cubic root of 31072714 is about 314.3834888825.

Adding to 31072714 its reverse (41727013), we get a palindrome (72799727).

The spelling of 31072714 in words is "thirty-one million, seventy-two thousand, seven hundred fourteen".