3133872481 has 2 divisors, whose sum is σ = 3133872482. Its totient is φ = 3133872480.

The previous prime is 3133872437. The next prime is 3133872487. The reversal of 3133872481 is 1842783313.

It is a happy number.

3133872481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1810077025 + 1323795456 = 42545^2 + 36384^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133872481 - 2⁷ = 3133872353 is a prime.

It is a super-2 number, since 2×3133872481² = 19642313454338190722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3133872487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566936240 + 1566936241.

It is an arithmetic number, because the mean of its divisors is an integer number (1566936241).

Almost surely, 2^3133872481 is an apocalyptic number.

It is an amenable number.

3133872481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3133872481 is an equidigital number, since it uses as much as digits as its factorization.

3133872481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 3133872481 is about 55981.0010717922. The cubic root of 3133872481 is about 1463.3912039225.

The spelling of 3133872481 in words is "three billion, one hundred thirty-three million, eight hundred seventy-two thousand, four hundred eighty-one".