211453361313 has 4 divisors (see below), whose sum is σ = 281937815088. Its totient is φ = 140968907540.

The previous prime is 211453361309. The next prime is 211453361321. The reversal of 211453361313 is 313163354112.

211453361313 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 a cyclic number.

It is not a de Polignac number, because 211453361313 - 2² = 211453361309 is a prime.

It is a super-2 number, since 2×211453361313² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211453361113) 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 3 ways as a sum of consecutive naturals, for example, 35242226883 + ... + 35242226888.

It is an arithmetic number, because the mean of its divisors is an integer number (70484453772).

Almost surely, 2^211453361313 is an apocalyptic number.

It is an amenable number.

211453361313 is a deficient number, since it is larger than the sum of its proper divisors (70484453775).

211453361313 is an equidigital number, since it uses as much as digits as its factorization.

211453361313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70484453774.

The product of its digits is 19440, while the sum is 33.

The spelling of 211453361313 in words is "two hundred eleven billion, four hundred fifty-three million, three hundred sixty-one thousand, three hundred thirteen".