31301113201 has 4 divisors (see below), whose sum is σ = 33142355172. Its totient is φ = 29459871232.

The previous prime is 31301113177. The next prime is 31301113213. The reversal of 31301113201 is 10231110313.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12333213025 + 18967900176 = 111055^2 + 137724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31301113201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31301113231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920620960 + ... + 920620993.

It is an arithmetic number, because the mean of its divisors is an integer number (8285588793).

Almost surely, 2^31301113201 is an apocalyptic number.

It is an amenable number.

31301113201 is a deficient number, since it is larger than the sum of its proper divisors (1841241971).

31301113201 is a wasteful number, since it uses less digits than its factorization.

31301113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841241970.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31301113201 its reverse (10231110313), we get a palindrome (41532223514).

The spelling of 31301113201 in words is "thirty-one billion, three hundred one million, one hundred thirteen thousand, two hundred one".