31481714 has 8 divisors (see below), whose sum is σ = 51515568. Its totient is φ = 14309860.

The previous prime is 31481713. The next prime is 31481717. The reversal of 31481714 is 41718413.

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 (31481711) 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, 715472 + ... + 715515.

It is an arithmetic number, because the mean of its divisors is an integer number (6439446).

Almost surely, 2^31481714 is an apocalyptic number.

31481714 is a deficient number, since it is larger than the sum of its proper divisors (20033854).

31481714 is a wasteful number, since it uses less digits than its factorization.

31481714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431000.

The product of its digits is 2688, while the sum is 29.

The square root of 31481714 is about 5610.8567973171. The cubic root of 31481714 is about 315.7568564391.

It can be divided in two parts, 314 and 81714, that added together give a palindrome (82028).

The spelling of 31481714 in words is "thirty-one million, four hundred eighty-one thousand, seven hundred fourteen".