31312714 has 4 divisors (see below), whose sum is σ = 46969074. Its totient is φ = 15656356.

The previous prime is 31312711. The next prime is 31312733. The reversal of 31312714 is 41721313.

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., 23377225 + 7935489 = 4835^2 + 2817^2 .

It is not an unprimeable number, because it can be changed into a prime (31312711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7828177 + ... + 7828180.

Almost surely, 2^31312714 is an apocalyptic number.

31312714 is a deficient number, since it is larger than the sum of its proper divisors (15656360).

31312714 is a wasteful number, since it uses less digits than its factorization.

31312714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15656359.

The product of its digits is 504, while the sum is 22.

The square root of 31312714 is about 5595.7764429970. The cubic root of 31312714 is about 315.1908275157.

The spelling of 31312714 in words is "thirty-one million, three hundred twelve thousand, seven hundred fourteen".