3133111123231 has 4 divisors (see below), whose sum is σ = 3133159672264. Its totient is φ = 3133062574200.

The previous prime is 3133111123057. The next prime is 3133111123277. The reversal of 3133111123231 is 1323211113313.

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 3133111123231 - 2⁹ = 3133111122719 is a prime.

It is a super-2 number, since 2×3133111123231² (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 = 3133111123196 and 3133111123205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133111123031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24177585 + ... + 24306826.

It is an arithmetic number, because the mean of its divisors is an integer number (783289918066).

Almost surely, 2^{3133111123231} is an apocalyptic number.

3133111123231 is a deficient number, since it is larger than the sum of its proper divisors (48549033).

3133111123231 is an equidigital number, since it uses as much as digits as its factorization.

3133111123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48549032.

The product of its digits is 972, while the sum is 25.

Adding to 3133111123231 its reverse (1323211113313), we get a palindrome (4456322236544).

The spelling of 3133111123231 in words is "three trillion, one hundred thirty-three billion, one hundred eleven million, one hundred twenty-three thousand, two hundred thirty-one".