3133122331 has 4 divisors (see below), whose sum is σ = 3147971464. Its totient is φ = 3118273200.

The previous prime is 3133122323. The next prime is 3133122397. The reversal of 3133122331 is 1332213313.

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 3133122331 - 2³ = 3133122323 is a prime.

It is a super-2 number, since 2×3133122331² = 19632911082021747122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3133102331) 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, 7424250 + ... + 7424671.

It is an arithmetic number, because the mean of its divisors is an integer number (786992866).

Almost surely, 2^3133122331 is an apocalyptic number.

3133122331 is a deficient number, since it is larger than the sum of its proper divisors (14849133).

3133122331 is a wasteful number, since it uses less digits than its factorization.

3133122331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14849132.

The product of its digits is 972, while the sum is 22.

The square root of 3133122331 is about 55974.3006298426. The cubic root of 3133122331 is about 1463.2744314076.

Adding to 3133122331 its reverse (1332213313), we get a palindrome (4465335644).

The spelling of 3133122331 in words is "three billion, one hundred thirty-three million, one hundred twenty-two thousand, three hundred thirty-one".