211313020323 has 16 divisors (see below), whose sum is σ = 288049420800. Its totient is φ = 137732317536.

The previous prime is 211313020279. The next prime is 211313020337. The reversal of 211313020323 is 323020313112.

It is not a de Polignac number, because 211313020323 - 2⁹ = 211313019811 is a prime.

It is a super-2 number, since 2×211313020323² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211313020323.

It is not an unprimeable number, because it can be changed into a prime (211313020343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657748 + ... + 924801.

It is an arithmetic number, because the mean of its divisors is an integer number (18003088800).

Almost surely, 2^211313020323 is an apocalyptic number.

211313020323 is a deficient number, since it is larger than the sum of its proper divisors (76736400477).

211313020323 is a wasteful number, since it uses less digits than its factorization.

211313020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583546.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 211313020323 its reverse (323020313112), we get a palindrome (534333333435).

The spelling of 211313020323 in words is "two hundred eleven billion, three hundred thirteen million, twenty thousand, three hundred twenty-three".