31268607 has 4 divisors (see below), whose sum is σ = 41691480. Its totient is φ = 20845736.

The previous prime is 31268603. The next prime is 31268639. The reversal of 31268607 is 70686213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31268607 - 2² = 31268603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31268603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5211432 + ... + 5211437.

It is an arithmetic number, because the mean of its divisors is an integer number (10422870).

Almost surely, 2^31268607 is an apocalyptic number.

31268607 is a deficient number, since it is larger than the sum of its proper divisors (10422873).

31268607 is a wasteful number, since it uses less digits than its factorization.

31268607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10422872.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 31268607 is about 5591.8339567623. The cubic root of 31268607 is about 315.0427656727.

The spelling of 31268607 in words is "thirty-one million, two hundred sixty-eight thousand, six hundred seven".