211315413 has 4 divisors (see below), whose sum is σ = 281753888. Its totient is φ = 140876940.

The previous prime is 211315411. The next prime is 211315417. The reversal of 211315413 is 314513112.

211315413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 211315413 - 2¹ = 211315411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211315413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211315411) 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, 35219233 + ... + 35219238.

It is an arithmetic number, because the mean of its divisors is an integer number (70438472).

Almost surely, 2^211315413 is an apocalyptic number.

It is an amenable number.

211315413 is a deficient number, since it is larger than the sum of its proper divisors (70438475).

211315413 is an equidigital number, since it uses as much as digits as its factorization.

211315413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70438474.

The product of its digits is 360, while the sum is 21.

The square root of 211315413 is about 14536.6919551871. The cubic root of 211315413 is about 595.6306783947.

Adding to 211315413 its reverse (314513112), we get a palindrome (525828525).

The spelling of 211315413 in words is "two hundred eleven million, three hundred fifteen thousand, four hundred thirteen".