31343716 has 12 divisors (see below), whose sum is σ = 58078188. Its totient is φ = 14749952.

The previous prime is 31343701. The next prime is 31343717. The reversal of 31343716 is 61734313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18455616 + 12888100 = 4296^2 + 3590^2 .

It is not an unprimeable number, because it can be changed into a prime (31343717) 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, 230401 + ... + 230536.

It is an arithmetic number, because the mean of its divisors is an integer number (4839849).

Almost surely, 2^31343716 is an apocalyptic number.

It is an amenable number.

31343716 is a deficient number, since it is larger than the sum of its proper divisors (26734472).

31343716 is a wasteful number, since it uses less digits than its factorization.

31343716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460958 (or 460956 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The square root of 31343716 is about 5598.5458826377. The cubic root of 31343716 is about 315.2948142749.

The spelling of 31343716 in words is "thirty-one million, three hundred forty-three thousand, seven hundred sixteen".