3133120231 has 2 divisors, whose sum is σ = 3133120232. Its totient is φ = 3133120230.

The previous prime is 3133120219. The next prime is 3133120313. The reversal of 3133120231 is 1320213313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3133120231 is a prime.

It is a super-2 number, since 2×3133120231² = 19632884763802986722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3133120199 and 3133120208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3133120931) 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 as a sum of consecutive naturals, namely, 1566560115 + 1566560116.

It is an arithmetic number, because the mean of its divisors is an integer number (1566560116).

Almost surely, 2^3133120231 is an apocalyptic number.

3133120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3133120231 is an equidigital number, since it uses as much as digits as its factorization.

3133120231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3133120231 is about 55974.2818712308. The cubic root of 3133120231 is about 1463.2741044838.

Adding to 3133120231 its reverse (1320213313), we get a palindrome (4453333544).

The spelling of 3133120231 in words is "three billion, one hundred thirty-three million, one hundred twenty thousand, two hundred thirty-one".