31321201201 has 8 divisors (see below), whose sum is σ = 31862799360. Its totient is φ = 30783818208.

The previous prime is 31321201169. The next prime is 31321201207. The reversal of 31321201201 is 10210212313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31321201201 - 2⁵ = 31321201169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31321201207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038801 + ... + 1068526.

It is an arithmetic number, because the mean of its divisors is an integer number (3982849920).

Almost surely, 2^31321201201 is an apocalyptic number.

It is an amenable number.

31321201201 is a deficient number, since it is larger than the sum of its proper divisors (541598159).

31321201201 is a wasteful number, since it uses less digits than its factorization.

31321201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107583.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31321201201 its reverse (10210212313), we get a palindrome (41531413514).

The spelling of 31321201201 in words is "thirty-one billion, three hundred twenty-one million, two hundred one thousand, two hundred one".