213433312002356 has 12 divisors (see below), whose sum is σ = 374783068347492. Its totient is φ = 106352435331648.

The previous prime is 213433312002349. The next prime is 213433312002367. The reversal of 213433312002356 is 653200213334312.

It can be written as a sum of positive squares in 2 ways, for example, as 185021640334756 + 28411671667600 = 13602266^2 + 5330260^2 .

It is a super-2 number, since 2×213433312002356² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91055166065 + ... + 91055168408.

It is an arithmetic number, because the mean of its divisors is an integer number (31231922362291).

Almost surely, 2^{213433312002356} is an apocalyptic number.

It is an amenable number.

213433312002356 is a deficient number, since it is larger than the sum of its proper divisors (161349756345136).

213433312002356 is a wasteful number, since it uses less digits than its factorization.

213433312002356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182110334770 (or 182110334768 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 38.

Adding to 213433312002356 its reverse (653200213334312), we get a palindrome (866633525336668).

The spelling of 213433312002356 in words is "two hundred thirteen trillion, four hundred thirty-three billion, three hundred twelve million, two thousand, three hundred fifty-six".