3101323123231 has 4 divisors (see below), whose sum is σ = 3159838653912. Its totient is φ = 3042807592552.

The previous prime is 3101323123187. The next prime is 3101323123253. The reversal of 3101323123231 is 1323213231013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3101323123231 is a prime.

It is a super-2 number, since 2×3101323123231² (a number of 26 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 = 3101323123196 and 3101323123205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101323523231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29257765261 + ... + 29257765366.

It is an arithmetic number, because the mean of its divisors is an integer number (789959663478).

Almost surely, 2^{3101323123231} is an apocalyptic number.

3101323123231 is a deficient number, since it is larger than the sum of its proper divisors (58515530681).

3101323123231 is an equidigital number, since it uses as much as digits as its factorization.

3101323123231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58515530680.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3101323123231 its reverse (1323213231013), we get a palindrome (4424536354244).

The spelling of 3101323123231 in words is "three trillion, one hundred one billion, three hundred twenty-three million, one hundred twenty-three thousand, two hundred thirty-one".