31271304201 has 4 divisors (see below), whose sum is σ = 41695072272. Its totient is φ = 20847536132.

The previous prime is 31271304193. The next prime is 31271304221. The reversal of 31271304201 is 10240317213.

It is a happy number.

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 31271304201 - 2³ = 31271304193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31271304221) 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, 5211884031 + ... + 5211884036.

It is an arithmetic number, because the mean of its divisors is an integer number (10423768068).

Almost surely, 2^31271304201 is an apocalyptic number.

It is an amenable number.

31271304201 is a deficient number, since it is larger than the sum of its proper divisors (10423768071).

31271304201 is a wasteful number, since it uses less digits than its factorization.

31271304201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10423768070.

The product of its (nonzero) digits is 1008, while the sum is 24.

The spelling of 31271304201 in words is "thirty-one billion, two hundred seventy-one million, three hundred four thousand, two hundred one".