3120131323 has 4 divisors (see below), whose sum is σ = 3133078168. Its totient is φ = 3107184480.

The previous prime is 3120131251. The next prime is 3120131327. The reversal of 3120131323 is 3231310213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3231310213 = 6397 ⋅505129.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120131323 is a prime.

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 3120131323.

It is not an unprimeable number, because it can be changed into a prime (3120131327) 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, 6473061 + ... + 6473542.

It is an arithmetic number, because the mean of its divisors is an integer number (783269542).

Almost surely, 2^3120131323 is an apocalyptic number.

3120131323 is a deficient number, since it is larger than the sum of its proper divisors (12946845).

3120131323 is a wasteful number, since it uses less digits than its factorization.

3120131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12946844.

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

The square root of 3120131323 is about 55858.1356921264. The cubic root of 3120131323 is about 1461.2492159072.

Adding to 3120131323 its reverse (3231310213), we get a palindrome (6351441536).

The spelling of 3120131323 in words is "three billion, one hundred twenty million, one hundred thirty-one thousand, three hundred twenty-three".