23331003131021 has 8 divisors (see below), whose sum is σ = 23335935241080. Its totient is φ = 23326071316992.

The previous prime is 23331003130997. The next prime is 23331003131053. The reversal of 23331003131021 is 12013130013332.

It can be written as a sum of positive squares in 4 ways, for example, as 16583944930921 + 6747058200100 = 4072339^2 + 2597510^2 .

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 23331003131021 - 2¹⁴ = 23331003114637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23331003131081) 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, 229059521 + ... + 229161353.

It is an arithmetic number, because the mean of its divisors is an integer number (2916991905135).

Almost surely, 2^{23331003131021} is an apocalyptic number.

It is an amenable number.

23331003131021 is a deficient number, since it is larger than the sum of its proper divisors (4932110059).

23331003131021 is a wasteful number, since it uses less digits than its factorization.

23331003131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148015.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 23331003131021 its reverse (12013130013332), we get a palindrome (35344133144353).

The spelling of 23331003131021 in words is "twenty-three trillion, three hundred thirty-one billion, three million, one hundred thirty-one thousand, twenty-one".