213134000312 has 32 divisors (see below), whose sum is σ = 423915955920. Its totient is φ = 100112924160.

The previous prime is 213134000269. The next prime is 213134000351. The reversal of 213134000312 is 213000431312.

213134000312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213134000312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1374818 + ... + 1521969.

Almost surely, 2^213134000312 is an apocalyptic number.

It is an amenable number.

213134000312 is a deficient number, since it is larger than the sum of its proper divisors (210781955608).

213134000312 is a wasteful number, since it uses less digits than its factorization.

213134000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897351 (or 2897347 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213134000312 its reverse (213000431312), we get a palindrome (426134431624).

The spelling of 213134000312 in words is "two hundred thirteen billion, one hundred thirty-four million, three hundred twelve", and thus it is an aban number.