233030031213 has 32 divisors (see below), whose sum is σ = 358662712320. Its totient is φ = 131823262080.

The previous prime is 233030031167. The next prime is 233030031217. The reversal of 233030031213 is 312130030332.

233030031213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 233030031213 - 2⁸ = 233030030957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 233030031213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233030031217) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3242833 + ... + 3313913.

It is an arithmetic number, because the mean of its divisors is an integer number (11208209760).

Almost surely, 2^233030031213 is an apocalyptic number.

It is an amenable number.

233030031213 is a deficient number, since it is larger than the sum of its proper divisors (125632681107).

233030031213 is a wasteful number, since it uses less digits than its factorization.

233030031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72657.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 233030031213 its reverse (312130030332), we get a palindrome (545160061545).

The spelling of 233030031213 in words is "two hundred thirty-three billion, thirty million, thirty-one thousand, two hundred thirteen".