213115043524 has 12 divisors (see below), whose sum is σ = 373383489024. Its totient is φ = 106434046664.

The previous prime is 213115043509. The next prime is 213115043549. The reversal of 213115043524 is 425340511312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30864892 + ... + 30871795.

It is an arithmetic number, because the mean of its divisors is an integer number (31115290752).

Almost surely, 2^213115043524 is an apocalyptic number.

It is an amenable number.

213115043524 is a deficient number, since it is larger than the sum of its proper divisors (160268445500).

213115043524 is a wasteful number, since it uses less digits than its factorization.

213115043524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61737554 (or 61737552 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 213115043524 its reverse (425340511312), we get a palindrome (638455554836).

The spelling of 213115043524 in words is "two hundred thirteen billion, one hundred fifteen million, forty-three thousand, five hundred twenty-four".