31943714 has 16 divisors (see below), whose sum is σ = 55346976. Its totient is φ = 13665600.

The previous prime is 31943701. The next prime is 31943719. The reversal of 31943714 is 41734913.

It is a super-2 number, since 2×31943714² = 2040801728227592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31943719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42332 + ... + 43079.

It is an arithmetic number, because the mean of its divisors is an integer number (3459186).

Almost surely, 2^31943714 is an apocalyptic number.

31943714 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31943714 is a deficient number, since it is larger than the sum of its proper divisors (23403262).

31943714 is a wasteful number, since it uses less digits than its factorization.

31943714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85441.

The product of its digits is 9072, while the sum is 32.

The square root of 31943714 is about 5651.8770333403. The cubic root of 31943714 is about 317.2939585333.

The spelling of 31943714 in words is "thirty-one million, nine hundred forty-three thousand, seven hundred fourteen".