3123112131131 has 8 divisors (see below), whose sum is σ = 3124765304640. Its totient is φ = 3121459205128.

The previous prime is 3123112131109. The next prime is 3123112131137. The reversal of 3123112131131 is 1311312113213.

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 3123112131131 - 2⁶ = 3123112131067 is a prime.

It is a super-2 number, since 2×3123112131131² (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 = 3123112131097 and 3123112131106.

It is not an unprimeable number, because it can be changed into a prime (3123112131137) 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, 28643540 + ... + 28752366.

It is an arithmetic number, because the mean of its divisors is an integer number (390595663080).

Almost surely, 2^{3123112131131} is an apocalyptic number.

3123112131131 is a deficient number, since it is larger than the sum of its proper divisors (1653173509).

3123112131131 is a wasteful number, since it uses less digits than its factorization.

3123112131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123753.

The product of its digits is 324, while the sum is 23.

Adding to 3123112131131 its reverse (1311312113213), we get a palindrome (4434424244344).

It can be divided in two parts, 312311 and 2131131, that added together give a palindrome (2443442).

The spelling of 3123112131131 in words is "three trillion, one hundred twenty-three billion, one hundred twelve million, one hundred thirty-one thousand, one hundred thirty-one".