31268001 has 4 divisors (see below), whose sum is σ = 41690672. Its totient is φ = 20845332.

The previous prime is 31267979. The next prime is 31268011. The reversal of 31268001 is 10086213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31268001 - 2⁵ = 31267969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31268011) 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, 5211331 + ... + 5211336.

It is an arithmetic number, because the mean of its divisors is an integer number (10422668).

Almost surely, 2^31268001 is an apocalyptic number.

It is an amenable number.

31268001 is a deficient number, since it is larger than the sum of its proper divisors (10422671).

31268001 is a wasteful number, since it uses less digits than its factorization.

31268001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10422670.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 31268001 is about 5591.7797703415. The cubic root of 31268001 is about 315.0407304349.

The spelling of 31268001 in words is "thirty-one million, two hundred sixty-eight thousand, one".