31268201 has 4 divisors (see below), whose sum is σ = 32627712. Its totient is φ = 29908692.

The previous prime is 31268197. The next prime is 31268203. The reversal of 31268201 is 10286213.

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 a cyclic number.

It is not a de Polignac number, because 31268201 - 2² = 31268197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1359487 = 31268201 / (3 + 1 + 2 + 6 + 8 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31268203) 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, 679721 + ... + 679766.

It is an arithmetic number, because the mean of its divisors is an integer number (8156928).

Almost surely, 2^31268201 is an apocalyptic number.

It is an amenable number.

31268201 is a deficient number, since it is larger than the sum of its proper divisors (1359511).

31268201 is a wasteful number, since it uses less digits than its factorization.

31268201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359510.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 31268201 is about 5591.7976537067. The cubic root of 31268201 is about 315.0414021334.

The spelling of 31268201 in words is "thirty-one million, two hundred sixty-eight thousand, two hundred one".