23211103031 has 2 divisors, whose sum is σ = 23211103032. Its totient is φ = 23211103030.

The previous prime is 23211103021. The next prime is 23211103037. The reversal of 23211103031 is 13030111232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23211103031 - 2³⁴ = 6031233847 is a prime.

It is a super-2 number, since 2×23211103031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23211103037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605551515 + 11605551516.

It is an arithmetic number, because the mean of its divisors is an integer number (11605551516).

Almost surely, 2^23211103031 is an apocalyptic number.

23211103031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211103031 is an equidigital number, since it uses as much as digits as its factorization.

23211103031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23211103031 its reverse (13030111232), we get a palindrome (36241214263).

The spelling of 23211103031 in words is "twenty-three billion, two hundred eleven million, one hundred three thousand, thirty-one".