213112111303 has 8 divisors (see below), whose sum is σ = 262291829408. Its totient is φ = 168616175904.

The previous prime is 213112111291. The next prime is 213112111307. The reversal of 213112111303 is 303111211312.

213112111303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213112111303 - 2¹³ = 213112103111 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213112111307) 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 7 ways as a sum of consecutive naturals, for example, 1170945576 + ... + 1170945757.

It is an arithmetic number, because the mean of its divisors is an integer number (32786478676).

Almost surely, 2^213112111303 is an apocalyptic number.

213112111303 is a deficient number, since it is larger than the sum of its proper divisors (49179718105).

213112111303 is a wasteful number, since it uses less digits than its factorization.

213112111303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341891353.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 213112111303 its reverse (303111211312), we get a palindrome (516223322615).

It can be divided in two parts, 213112 and 111303, that added together give a triangular number (324415 = T₈₀₅).

The spelling of 213112111303 in words is "two hundred thirteen billion, one hundred twelve million, one hundred eleven thousand, three hundred three".