213506232011368 has 32 divisors (see below), whose sum is σ = 410150149920000. Its totient is φ = 104133645498240.

The previous prime is 213506232011363. The next prime is 213506232011411. The reversal of 213506232011368 is 863110232605312.

It is a happy number.

It is a super-2 number, since 2×213506232011368² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213506232011363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47000568 + ... + 51342631.

It is an arithmetic number, because the mean of its divisors is an integer number (12817192185000).

Almost surely, 2^{213506232011368} is an apocalyptic number.

It is an amenable number.

213506232011368 is a deficient number, since it is larger than the sum of its proper divisors (196643917908632).

213506232011368 is a wasteful number, since it uses less digits than its factorization.

213506232011368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98349865 (or 98349861 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 213506232011368 in words is "two hundred thirteen trillion, five hundred six billion, two hundred thirty-two million, eleven thousand, three hundred sixty-eight".