3103231303231 has 4 divisors (see below), whose sum is σ = 3104128972672. Its totient is φ = 3102333633792.

The previous prime is 3103231303169. The next prime is 3103231303253. The reversal of 3103231303231 is 1323031323013.

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

It is a cyclic number.

It is not a de Polignac number, because 3103231303231 - 2⁷ = 3103231303103 is a prime.

It is a super-2 number, since 2×3103231303231² (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 = 3103231303196 and 3103231303205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103231300231) 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, 448829535 + ... + 448836448.

It is an arithmetic number, because the mean of its divisors is an integer number (776032243168).

Almost surely, 2^{3103231303231} is an apocalyptic number.

3103231303231 is a deficient number, since it is larger than the sum of its proper divisors (897669441).

3103231303231 is an equidigital number, since it uses as much as digits as its factorization.

3103231303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897669440.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 3103231303231 its reverse (1323031323013), we get a palindrome (4426262626244).

The spelling of 3103231303231 in words is "three trillion, one hundred three billion, two hundred thirty-one million, three hundred three thousand, two hundred thirty-one".