3121133453055 has 48 divisors (see below), whose sum is σ = 5521432119840. Its totient is φ = 1630413867264.

The previous prime is 3121133452991. The next prime is 3121133453057. The reversal of 3121133453055 is 5503543311213.

3121133453055 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 1 + 3 + 345 + 305 + 5 = 666.

It is not a de Polignac number, because 3121133453055 - 2⁶ = 3121133452991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121133453057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285301 + ... + 2514689.

It is an arithmetic number, because the mean of its divisors is an integer number (115029835830).

Almost surely, 2^{3121133453055} is an apocalyptic number.

3121133453055 is a deficient number, since it is larger than the sum of its proper divisors (2400298666785).

3121133453055 is a wasteful number, since it uses less digits than its factorization.

3121133453055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230040 (or 2230037 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 3121133453055 its reverse (5503543311213), we get a palindrome (8624676764268).

The spelling of 3121133453055 in words is "three trillion, one hundred twenty-one billion, one hundred thirty-three million, four hundred fifty-three thousand, fifty-five".