213030233021331 has 24 divisors (see below), whose sum is σ = 335684956299264. Its totient is φ = 129108865691760.

The previous prime is 213030233021327. The next prime is 213030233021357. The reversal of 213030233021331 is 133120332030312.

213030233021331 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 3 + 0 + 23 + 302 + 1 + 331 = 666.

It is not a de Polignac number, because 213030233021331 - 2² = 213030233021327 is a prime.

It is a super-2 number, since 2×213030233021331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213030233021295 and 213030233021304.

It is not an unprimeable number, because it can be changed into a prime (213030233031331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34299310 + ... + 40031276.

It is an arithmetic number, because the mean of its divisors is an integer number (13986873179136).

Almost surely, 2^{213030233021331} is an apocalyptic number.

213030233021331 is a deficient number, since it is larger than the sum of its proper divisors (122654723277933).

213030233021331 is a wasteful number, since it uses less digits than its factorization.

213030233021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6107391 (or 6107388 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 213030233021331 its reverse (133120332030312), we get a palindrome (346150565051643).

The spelling of 213030233021331 in words is "two hundred thirteen trillion, thirty billion, two hundred thirty-three million, twenty-one thousand, three hundred thirty-one".