31301020201 has 16 divisors (see below), whose sum is σ = 34250082048. Its totient is φ = 28369342800.

The previous prime is 31301020151. The next prime is 31301020243. The reversal of 31301020201 is 10202010313.

It is a cyclic number.

It is not a de Polignac number, because 31301020201 - 2⁷ = 31301020073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31301020271) 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 15 ways as a sum of consecutive naturals, for example, 6274030 + ... + 6279016.

It is an arithmetic number, because the mean of its divisors is an integer number (2140630128).

Almost surely, 2^31301020201 is an apocalyptic number.

It is an amenable number.

31301020201 is a deficient number, since it is larger than the sum of its proper divisors (2949061847).

31301020201 is a wasteful number, since it uses less digits than its factorization.

31301020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31301020201 its reverse (10202010313), we get a palindrome (41503030514).

The spelling of 31301020201 in words is "thirty-one billion, three hundred one million, twenty thousand, two hundred one".