2131030213133 has 4 divisors (see below), whose sum is σ = 2131178205468. Its totient is φ = 2130882220800.

The previous prime is 2131030213111. The next prime is 2131030213163. The reversal of 2131030213133 is 3313120301312.

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 2092368036004 + 38662177129 = 1446502^2 + 196627^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131030213133 - 2⁸ = 2131030212877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131030213099 and 2131030213108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131030213163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73974566 + ... + 74003367.

It is an arithmetic number, because the mean of its divisors is an integer number (532794551367).

Almost surely, 2^{2131030213133} is an apocalyptic number.

It is an amenable number.

2131030213133 is a deficient number, since it is larger than the sum of its proper divisors (147992335).

2131030213133 is a wasteful number, since it uses less digits than its factorization.

2131030213133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147992334.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 2131030213133 its reverse (3313120301312), we get a palindrome (5444150514445).

The spelling of 2131030213133 in words is "two trillion, one hundred thirty-one billion, thirty million, two hundred thirteen thousand, one hundred thirty-three".