23261020331 has 8 divisors (see below), whose sum is σ = 23805789840. Its totient is φ = 22722548992.

The previous prime is 23261020309. The next prime is 23261020337. The reversal of 23261020331 is 13302016232.

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 23261020331 - 2⁶ = 23261020267 is a prime.

It is a super-2 number, since 2×23261020331² (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 = 23261020297 and 23261020306.

It is not an unprimeable number, because it can be changed into a prime (23261020337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1567070 + ... + 1581843.

It is an arithmetic number, because the mean of its divisors is an integer number (2975723730).

Almost surely, 2^23261020331 is an apocalyptic number.

23261020331 is a deficient number, since it is larger than the sum of its proper divisors (544769509).

23261020331 is an equidigital number, since it uses as much as digits as its factorization.

23261020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149085.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23261020331 its reverse (13302016232), we get a palindrome (36563036563).

The spelling of 23261020331 in words is "twenty-three billion, two hundred sixty-one million, twenty thousand, three hundred thirty-one".