211313132013 has 4 divisors (see below), whose sum is σ = 281750842688. Its totient is φ = 140875421340.

The previous prime is 211313131999. The next prime is 211313132033. The reversal of 211313132013 is 310231313112.

It is a happy number.

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 211313132013 - 2¹⁸ = 211312869869 is a prime.

It is a super-2 number, since 2×211313132013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211313132033) 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, 35218855333 + ... + 35218855338.

It is an arithmetic number, because the mean of its divisors is an integer number (70437710672).

Almost surely, 2^211313132013 is an apocalyptic number.

It is an amenable number.

211313132013 is a deficient number, since it is larger than the sum of its proper divisors (70437710675).

211313132013 is an equidigital number, since it uses as much as digits as its factorization.

211313132013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70437710674.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 211313132013 its reverse (310231313112), we get a palindrome (521544445125).

The spelling of 211313132013 in words is "two hundred eleven billion, three hundred thirteen million, one hundred thirty-two thousand, thirteen".