31021104201 has 8 divisors (see below), whose sum is σ = 41687153664. Its totient is φ = 20517895440.

The previous prime is 31021104197. The next prime is 31021104277. The reversal of 31021104201 is 10240112013.

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

It is not a de Polignac number, because 31021104201 - 2² = 31021104197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31021104601) 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, 40709730 + ... + 40710491.

It is an arithmetic number, because the mean of its divisors is an integer number (5210894208).

Almost surely, 2^31021104201 is an apocalyptic number.

It is an amenable number.

31021104201 is a deficient number, since it is larger than the sum of its proper divisors (10666049463).

31021104201 is a wasteful number, since it uses less digits than its factorization.

31021104201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81420351.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 31021104201 its reverse (10240112013), we get a palindrome (41261216214).

The spelling of 31021104201 in words is "thirty-one billion, twenty-one million, one hundred four thousand, two hundred one".