3133267381 has 2 divisors, whose sum is σ = 3133267382. Its totient is φ = 3133267380.

The previous prime is 3133267363. The next prime is 3133267421. The reversal of 3133267381 is 1837623313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1894860900 + 1238406481 = 43530^2 + 35191^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133267381 - 2¹⁵ = 3133234613 is a prime.

It is a super-2 number, since 2×3133267381² = 19634728961677198322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3133267381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3133267321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566633690 + 1566633691.

It is an arithmetic number, because the mean of its divisors is an integer number (1566633691).

Almost surely, 2^3133267381 is an apocalyptic number.

It is an amenable number.

3133267381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3133267381 is an equidigital number, since it uses as much as digits as its factorization.

3133267381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 3133267381 is about 55975.5962987443. The cubic root of 3133267381 is about 1463.2970121496.

The spelling of 3133267381 in words is "three billion, one hundred thirty-three million, two hundred sixty-seven thousand, three hundred eighty-one".