3121122453133 has 4 divisors (see below), whose sum is σ = 3228747365340. Its totient is φ = 3013497540928.

The previous prime is 3121122453131. The next prime is 3121122453149. The reversal of 3121122453133 is 3313542211213.

3121122453133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1918770728809 + 1202351724324 = 1385197^2 + 1096518^2 .

It is a cyclic number.

It is not a de Polignac number, because 3121122453133 - 2¹ = 3121122453131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3121122453095 and 3121122453104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121122453131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53812456060 + ... + 53812456117.

It is an arithmetic number, because the mean of its divisors is an integer number (807186841335).

Almost surely, 2^{3121122453133} is an apocalyptic number.

It is an amenable number.

3121122453133 is a deficient number, since it is larger than the sum of its proper divisors (107624912207).

3121122453133 is a wasteful number, since it uses less digits than its factorization.

3121122453133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107624912206.

The product of its digits is 12960, while the sum is 31.

Adding to 3121122453133 its reverse (3313542211213), we get a palindrome (6434664664346).

The spelling of 3121122453133 in words is "three trillion, one hundred twenty-one billion, one hundred twenty-two million, four hundred fifty-three thousand, one hundred thirty-three".