213041155513 has 4 divisors (see below), whose sum is σ = 216220874320. Its totient is φ = 209861436708.

The previous prime is 213041155507. The next prime is 213041155609. The reversal of 213041155513 is 315551140312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213041155513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213041155213) 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, 1589859303 + ... + 1589859436.

It is an arithmetic number, because the mean of its divisors is an integer number (54055218580).

Almost surely, 2^213041155513 is an apocalyptic number.

It is an amenable number.

213041155513 is a deficient number, since it is larger than the sum of its proper divisors (3179718807).

213041155513 is an equidigital number, since it uses as much as digits as its factorization.

213041155513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179718806.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 213041155513 its reverse (315551140312), we get a palindrome (528592295825).

The spelling of 213041155513 in words is "two hundred thirteen billion, forty-one million, one hundred fifty-five thousand, five hundred thirteen".