23131321032211 has 16 divisors (see below), whose sum is σ = 26540489124864. Its totient is φ = 19748350092384.

The previous prime is 23131321032163. The next prime is 23131321032247. The reversal of 23131321032211 is 11223012313132.

It is a cyclic number.

It is not a de Polignac number, because 23131321032211 - 2¹¹ = 23131321030163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23131321032251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10746930 + ... + 12718456.

It is an arithmetic number, because the mean of its divisors is an integer number (1658780570304).

Almost surely, 2^{23131321032211} is an apocalyptic number.

23131321032211 is a deficient number, since it is larger than the sum of its proper divisors (3409168092653).

23131321032211 is a wasteful number, since it uses less digits than its factorization.

23131321032211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978170.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23131321032211 its reverse (11223012313132), we get a palindrome (34354333345343).

The spelling of 23131321032211 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred twenty-one million, thirty-two thousand, two hundred eleven".