3123011203231 has 16 divisors (see below), whose sum is σ = 3253176053248. Its totient is φ = 2995620213600.

The previous prime is 3123011203189. The next prime is 3123011203241. The reversal of 3123011203231 is 1323021103213.

It is a cyclic number.

It is not a de Polignac number, because 3123011203231 - 2⁹ = 3123011202719 is a prime.

It is a super-2 number, since 2×3123011203231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123011203241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711670 + ... + 2598556.

It is an arithmetic number, because the mean of its divisors is an integer number (203323503328).

Almost surely, 2^{3123011203231} is an apocalyptic number.

3123011203231 is a deficient number, since it is larger than the sum of its proper divisors (130164850017).

3123011203231 is a wasteful number, since it uses less digits than its factorization.

3123011203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887622.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3123011203231 its reverse (1323021103213), we get a palindrome (4446032306444).

The spelling of 3123011203231 in words is "three trillion, one hundred twenty-three billion, eleven million, two hundred three thousand, two hundred thirty-one".