3121233033331 has 16 divisors (see below), whose sum is σ = 3569378402304. Its totient is φ = 2673651837024.

The previous prime is 3121233033307. The next prime is 3121233033341. The reversal of 3121233033331 is 1333303321213.

It is not a de Polignac number, because 3121233033331 - 2¹³ = 3121233025139 is a prime.

It is a super-2 number, since 2×3121233033331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3121233033331.

It is not an unprimeable number, because it can be changed into a prime (3121233033341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117339525 + ... + 117366121.

It is an arithmetic number, because the mean of its divisors is an integer number (223086150144).

Almost surely, 2^{3121233033331} is an apocalyptic number.

3121233033331 is a deficient number, since it is larger than the sum of its proper divisors (448145368973).

3121233033331 is a wasteful number, since it uses less digits than its factorization.

3121233033331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36570.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 3121233033331 its reverse (1333303321213), we get a palindrome (4454536354544).

The spelling of 3121233033331 in words is "three trillion, one hundred twenty-one billion, two hundred thirty-three million, thirty-three thousand, three hundred thirty-one".