23330133031 has 4 divisors (see below), whose sum is σ = 23332444200. Its totient is φ = 23327821864.

The previous prime is 23330132993. The next prime is 23330133049. The reversal of 23330133031 is 13033103332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23330133031 is a prime.

It is a super-2 number, since 2×23330133031² (a number of 22 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 = 23330132993 and 23330133011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23330133091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140376 + ... + 1160653.

It is an arithmetic number, because the mean of its divisors is an integer number (5833111050).

Almost surely, 2^23330133031 is an apocalyptic number.

23330133031 is a deficient number, since it is larger than the sum of its proper divisors (2311169).

23330133031 is a wasteful number, since it uses less digits than its factorization.

23330133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311168.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 23330133031 its reverse (13033103332), we get a palindrome (36363236363).

The spelling of 23330133031 in words is "twenty-three billion, three hundred thirty million, one hundred thirty-three thousand, thirty-one".