3133221311021 has 8 divisors (see below), whose sum is σ = 3179722985664. Its totient is φ = 3086816415840.

The previous prime is 3133221310931. The next prime is 3133221311039. The reversal of 3133221311021 is 1201131223313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3133221311021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133221313021) 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, 24129635 + ... + 24259136.

It is an arithmetic number, because the mean of its divisors is an integer number (397465373208).

Almost surely, 2^{3133221311021} is an apocalyptic number.

It is an amenable number.

3133221311021 is a deficient number, since it is larger than the sum of its proper divisors (46501674643).

3133221311021 is an equidigital number, since it uses as much as digits as its factorization.

3133221311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48389731.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3133221311021 its reverse (1201131223313), we get a palindrome (4334352534334).

The spelling of 3133221311021 in words is "three trillion, one hundred thirty-three billion, two hundred twenty-one million, three hundred eleven thousand, twenty-one".