213311233120331 has 8 divisors (see below), whose sum is σ = 213514265386944. Its totient is φ = 213108204593920.

The previous prime is 213311233120273. The next prime is 213311233120367. The reversal of 213311233120331 is 133021332113312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213311233120331 - 2¹⁰ = 213311233119307 is a prime.

It is a super-2 number, since 2×213311233120331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213311233120294 and 213311233120303.

It is not an unprimeable number, because it can be changed into a prime (213311233720331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120705950 + ... + 122460396.

It is an arithmetic number, because the mean of its divisors is an integer number (26689283173368).

Almost surely, 2^{213311233120331} is an apocalyptic number.

213311233120331 is a deficient number, since it is larger than the sum of its proper divisors (203032266613).

213311233120331 is a wasteful number, since it uses less digits than its factorization.

213311233120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870101.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 213311233120331 its reverse (133021332113312), we get a palindrome (346332565233643).

The spelling of 213311233120331 in words is "two hundred thirteen trillion, three hundred eleven billion, two hundred thirty-three million, one hundred twenty thousand, three hundred thirty-one".