3121022311001 has 16 divisors (see below), whose sum is σ = 3586143314304. Its totient is φ = 2660722504704.

The previous prime is 3121022310961. The next prime is 3121022311009. The reversal of 3121022311001 is 1001132201213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3121022311001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3121022311009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6023915 + ... + 6521471.

It is an arithmetic number, because the mean of its divisors is an integer number (224133957144).

Almost surely, 2^{3121022311001} is an apocalyptic number.

It is an amenable number.

3121022311001 is a deficient number, since it is larger than the sum of its proper divisors (465121003303).

3121022311001 is a wasteful number, since it uses less digits than its factorization.

3121022311001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502400.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 3121022311001 its reverse (1001132201213), we get a palindrome (4122154512214).

The spelling of 3121022311001 in words is "three trillion, one hundred twenty-one billion, twenty-two million, three hundred eleven thousand, one".