3123013231 has 8 divisors (see below), whose sum is σ = 3454144064. Its totient is φ = 2804868000.

The previous prime is 3123013213. The next prime is 3123013249. The reversal of 3123013231 is 1323103213.

It is an interprime number because it is at equal distance from previous prime (3123013213) and next prime (3123013249).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3123013231 - 2⁵ = 3123013199 is a prime.

It is a super-2 number, since 2×3123013231² = 19506423282002118722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3123013199 and 3123013208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123013631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3245895 + ... + 3246856.

It is an arithmetic number, because the mean of its divisors is an integer number (431768008).

Almost surely, 2^3123013231 is an apocalyptic number.

3123013231 is a deficient number, since it is larger than the sum of its proper divisors (331130833).

3123013231 is a wasteful number, since it uses less digits than its factorization.

3123013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492801.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3123013231 is about 55883.9264100153. The cubic root of 3123013231 is about 1461.6989715405.

Adding to 3123013231 its reverse (1323103213), we get a palindrome (4446116444).

The spelling of 3123013231 in words is "three billion, one hundred twenty-three million, thirteen thousand, two hundred thirty-one".