213154334613 has 12 divisors (see below), whose sum is σ = 335879557728. Its totient is φ = 129184445160.

The previous prime is 213154334611. The next prime is 213154334663. The reversal of 213154334613 is 316433451312.

213154334613 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 5 + 4 + 3 + 34 + 613 = 666.

213154334613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213154334613 - 2¹ = 213154334611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213154334611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1076536945 + ... + 1076537142.

It is an arithmetic number, because the mean of its divisors is an integer number (27989963144).

Almost surely, 2^213154334613 is an apocalyptic number.

It is an amenable number.

213154334613 is a deficient number, since it is larger than the sum of its proper divisors (122725223115).

213154334613 is a wasteful number, since it uses less digits than its factorization.

213154334613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153074104 (or 2153074101 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

Adding to 213154334613 its reverse (316433451312), we get a palindrome (529587785925).

The spelling of 213154334613 in words is "two hundred thirteen billion, one hundred fifty-four million, three hundred thirty-four thousand, six hundred thirteen".