23201313331 has 32 divisors (see below), whose sum is σ = 27625328640. Its totient is φ = 19072838400.

The previous prime is 23201313313. The next prime is 23201313367. The reversal of 23201313331 is 13331310232.

It is not a de Polignac number, because 23201313331 - 2¹¹ = 23201311283 is a prime.

It is a super-2 number, since 2×23201313331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23201313301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7925190 + ... + 7928116.

It is an arithmetic number, because the mean of its divisors is an integer number (863291520).

Almost surely, 2^23201313331 is an apocalyptic number.

23201313331 is a deficient number, since it is larger than the sum of its proper divisors (4424015309).

23201313331 is a wasteful number, since it uses less digits than its factorization.

23201313331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23201313331 its reverse (13331310232), we get a palindrome (36532623563).

The spelling of 23201313331 in words is "twenty-three billion, two hundred one million, three hundred thirteen thousand, three hundred thirty-one".