23131403311 has 8 divisors (see below), whose sum is σ = 24570329184. Its totient is φ = 21701172480.

The previous prime is 23131403287. The next prime is 23131403333. The reversal of 23131403311 is 11330413132.

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 23131403311 - 2¹¹ = 23131401263 is a prime.

It is a super-2 number, since 2×23131403311² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131403341) 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 7 ways as a sum of consecutive naturals, for example, 2168275 + ... + 2178916.

It is an arithmetic number, because the mean of its divisors is an integer number (3071291148).

Almost surely, 2^23131403311 is an apocalyptic number.

23131403311 is a deficient number, since it is larger than the sum of its proper divisors (1438925873).

23131403311 is a wasteful number, since it uses less digits than its factorization.

23131403311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347521.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 23131403311 its reverse (11330413132), we get a palindrome (34461816443).

The spelling of 23131403311 in words is "twenty-three billion, one hundred thirty-one million, four hundred three thousand, three hundred eleven".