23211102031 has 48 divisors (see below), whose sum is σ = 28491782400. Its totient is φ = 18777567744.

The previous prime is 23211102029. The next prime is 23211102043. The reversal of 23211102031 is 13020111232.

It is not a de Polignac number, because 23211102031 - 2¹ = 23211102029 is a prime.

It is a super-2 number, since 2×23211102031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23211101996 and 23211102014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211103031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3217030 + ... + 3224236.

It is an arithmetic number, because the mean of its divisors is an integer number (593578800).

Almost surely, 2^23211102031 is an apocalyptic number.

23211102031 is a deficient number, since it is larger than the sum of its proper divisors (5280680369).

23211102031 is a wasteful number, since it uses less digits than its factorization.

23211102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7328 (or 7315 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23211102031 its reverse (13020111232), we get a palindrome (36231213263).

The spelling of 23211102031 in words is "twenty-three billion, two hundred eleven million, one hundred two thousand, thirty-one".