23103131212311 has 16 divisors (see below), whose sum is σ = 30943069602816. Its totient is φ = 15332643539136.

The previous prime is 23103131212297. The next prime is 23103131212321. The reversal of 23103131212311 is 11321213130132.

It is not a de Polignac number, because 23103131212311 - 2¹⁵ = 23103131179543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103131212321) 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, 28313211 + ... + 29117763.

It is an arithmetic number, because the mean of its divisors is an integer number (1933941850176).

Almost surely, 2^{23103131212311} is an apocalyptic number.

23103131212311 is a deficient number, since it is larger than the sum of its proper divisors (7839938390505).

23103131212311 is a wasteful number, since it uses less digits than its factorization.

23103131212311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847702.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 23103131212311 its reverse (11321213130132), we get a palindrome (34424344342443).

The spelling of 23103131212311 in words is "twenty-three trillion, one hundred three billion, one hundred thirty-one million, two hundred twelve thousand, three hundred eleven".