3123132340231 has 4 divisors (see below), whose sum is σ = 3123136586200. Its totient is φ = 3123128094264.

The previous prime is 3123132340189. The next prime is 3123132340247. The reversal of 3123132340231 is 1320432313213.

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 3123132340231 - 2¹⁷ = 3123132209159 is a prime.

It is a super-2 number, since 2×3123132340231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3123132340231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123132340261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703116 + ... + 2596273.

It is an arithmetic number, because the mean of its divisors is an integer number (780784146550).

Almost surely, 2^{3123132340231} is an apocalyptic number.

3123132340231 is a deficient number, since it is larger than the sum of its proper divisors (4245969).

3123132340231 is an equidigital number, since it uses as much as digits as its factorization.

3123132340231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245968.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 3123132340231 its reverse (1320432313213), we get a palindrome (4443564653444).

The spelling of 3123132340231 in words is "three trillion, one hundred twenty-three billion, one hundred thirty-two million, three hundred forty thousand, two hundred thirty-one".