31343064 has 16 divisors (see below), whose sum is σ = 78357720. Its totient is φ = 10447680.

The previous prime is 31343063. The next prime is 31343083. The reversal of 31343064 is 46034313.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1305961 = 31343064 / (3 + 1 + 3 + 4 + 3 + 0 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343063) 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 3 ways as a sum of consecutive naturals, for example, 652957 + ... + 653004.

Almost surely, 2^31343064 is an apocalyptic number.

It is an amenable number.

31343064 is an abundant number, since it is smaller than the sum of its proper divisors (47014656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31343064 is a wasteful number, since it uses less digits than its factorization.

31343064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305970 (or 1305966 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 31343064 is about 5598.4876529291. The cubic root of 31343064 is about 315.2926280456.

Adding to 31343064 its reverse (46034313), we get a palindrome (77377377).

The spelling of 31343064 in words is "thirty-one million, three hundred forty-three thousand, sixty-four".