31448716 has 24 divisors (see below), whose sum is σ = 60392304. Its totient is φ = 14239680.

The previous prime is 31448713. The next prime is 31448717. The reversal of 31448716 is 61784413.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31448713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2950 + ... + 8461.

It is an arithmetic number, because the mean of its divisors is an integer number (2516346).

Almost surely, 2^31448716 is an apocalyptic number.

It is an amenable number.

31448716 is a deficient number, since it is larger than the sum of its proper divisors (28943588).

31448716 is a wasteful number, since it uses less digits than its factorization.

31448716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11481 (or 11479 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 31448716 is about 5607.9154772518. The cubic root of 31448716 is about 315.6464962126.

The spelling of 31448716 in words is "thirty-one million, four hundred forty-eight thousand, seven hundred sixteen".