210311213023 has 4 divisors (see below), whose sum is σ = 210316657968. Its totient is φ = 210305768080.

The previous prime is 210311212967. The next prime is 210311213051. The reversal of 210311213023 is 320312113012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210311213023 - 2¹⁷ = 210311081951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210311213053) 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, 2664118 + ... + 2741923.

It is an arithmetic number, because the mean of its divisors is an integer number (52579164492).

Almost surely, 2^210311213023 is an apocalyptic number.

210311213023 is a deficient number, since it is larger than the sum of its proper divisors (5444945).

210311213023 is an equidigital number, since it uses as much as digits as its factorization.

210311213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5444944.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 210311213023 its reverse (320312113012), we get a palindrome (530623326035).

The spelling of 210311213023 in words is "two hundred ten billion, three hundred eleven million, two hundred thirteen thousand, twenty-three".