23116211631 has 24 divisors (see below), whose sum is σ = 34195056896. Its totient is φ = 15039879120.

The previous prime is 23116211597. The next prime is 23116211633. The reversal of 23116211631 is 13611261132.

It is a happy number.

23116211631 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 6 + 21 + 1 + 631 = 666.

It is not a de Polignac number, because 23116211631 - 2²⁶ = 23049102767 is a prime.

It is a super-2 number, since 2×23116211631² (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 = 23116211595 and 23116211604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23116211633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452136 + ... + 500658.

Almost surely, 2^23116211631 is an apocalyptic number.

23116211631 is a deficient number, since it is larger than the sum of its proper divisors (11078845265).

23116211631 is a wasteful number, since it uses less digits than its factorization.

23116211631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49803 (or 49800 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

Adding to 23116211631 its reverse (13611261132), we get a palindrome (36727472763).

The spelling of 23116211631 in words is "twenty-three billion, one hundred sixteen million, two hundred eleven thousand, six hundred thirty-one".