213113323420313 has 4 divisors (see below), whose sum is σ = 213113369908608. Its totient is φ = 213113276932020.

The previous prime is 213113323420279. The next prime is 213113323420343. The reversal of 213113323420313 is 313024323311312.

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 a cyclic number.

It is not a de Polignac number, because 213113323420313 - 2⁸ = 213113323420057 is a prime.

It is a super-2 number, since 2×213113323420313² (a number of 29 digits) contains 22 as substring.

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 213113323420313.

It is not an unprimeable number, because it can be changed into a prime (213113323420343) 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, 15509981 + ... + 25822202.

It is an arithmetic number, because the mean of its divisors is an integer number (53278342477152).

Almost surely, 2^{213113323420313} is an apocalyptic number.

It is an amenable number.

213113323420313 is a deficient number, since it is larger than the sum of its proper divisors (46488295).

213113323420313 is an equidigital number, since it uses as much as digits as its factorization.

213113323420313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46488294.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 213113323420313 its reverse (313024323311312), we get a palindrome (526137646731625).

The spelling of 213113323420313 in words is "two hundred thirteen trillion, one hundred thirteen billion, three hundred twenty-three million, four hundred twenty thousand, three hundred thirteen".