31347314 has 4 divisors (see below), whose sum is σ = 47020974. Its totient is φ = 15673656.

The previous prime is 31347307. The next prime is 31347317. The reversal of 31347314 is 41374313.

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., 29866225 + 1481089 = 5465^2 + 1217^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31347317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7836827 + ... + 7836830.

Almost surely, 2^31347314 is an apocalyptic number.

31347314 is a deficient number, since it is larger than the sum of its proper divisors (15673660).

31347314 is a wasteful number, since it uses less digits than its factorization.

31347314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15673659.

The product of its digits is 3024, while the sum is 26.

The square root of 31347314 is about 5598.8672068553. The cubic root of 31347314 is about 315.3068782277.

The spelling of 31347314 in words is "thirty-one million, three hundred forty-seven thousand, three hundred fourteen".