213112031302 has 16 divisors (see below), whose sum is σ = 327515806800. Its totient is φ = 103940904960.

The previous prime is 213112031299. The next prime is 213112031303. The reversal of 213112031302 is 203130211312.

213112031302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213112031302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213112031303) 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, 336349 + ... + 734407.

It is an arithmetic number, because the mean of its divisors is an integer number (20469737925).

Almost surely, 2^213112031302 is an apocalyptic number.

213112031302 is a deficient number, since it is larger than the sum of its proper divisors (114403775498).

213112031302 is a wasteful number, since it uses less digits than its factorization.

213112031302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404631.

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

Adding to 213112031302 its reverse (203130211312), we get a palindrome (416242242614).

The spelling of 213112031302 in words is "two hundred thirteen billion, one hundred twelve million, thirty-one thousand, three hundred two".