3031001200221 has 32 divisors (see below), whose sum is σ = 4279796928000. Its totient is φ = 1902734463168.

The previous prime is 3031001200207. The next prime is 3031001200261. The reversal of 3031001200221 is 1220021001303.

It is not a de Polignac number, because 3031001200221 - 2⁵ = 3031001200189 is a prime.

It is a super-2 number, since 2×3031001200221² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3031001200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031001200261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22164171 + ... + 22300503.

It is an arithmetic number, because the mean of its divisors is an integer number (133743654000).

Almost surely, 2^{3031001200221} is an apocalyptic number.

It is an amenable number.

3031001200221 is a deficient number, since it is larger than the sum of its proper divisors (1248795727779).

3031001200221 is a wasteful number, since it uses less digits than its factorization.

3031001200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138713.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 3031001200221 its reverse (1220021001303), we get a palindrome (4251022201524).

The spelling of 3031001200221 in words is "three trillion, thirty-one billion, one million, two hundred thousand, two hundred twenty-one".