213041013 has 4 divisors (see below), whose sum is σ = 284054688. Its totient is φ = 142027340.

The previous prime is 213041009. The next prime is 213041027. The reversal of 213041013 is 310140312.

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 not a de Polignac number, because 213041013 - 2² = 213041009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213040983 and 213041001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213040013) 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, 35506833 + ... + 35506838.

It is an arithmetic number, because the mean of its divisors is an integer number (71013672).

Almost surely, 2^213041013 is an apocalyptic number.

It is an amenable number.

213041013 is a deficient number, since it is larger than the sum of its proper divisors (71013675).

213041013 is an equidigital number, since it uses as much as digits as its factorization.

213041013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71013674.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 213041013 is about 14595.9245339238. The cubic root of 213041013 is about 597.2475902637.

Adding to 213041013 its reverse (310140312), we get a palindrome (523181325).

The spelling of 213041013 in words is "two hundred thirteen million, forty-one thousand, thirteen".