3133231091 has 2 divisors, whose sum is σ = 3133231092. Its totient is φ = 3133231090.

The previous prime is 3133231069. The next prime is 3133231133. The reversal of 3133231091 is 1901323313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3133231091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3133231091.

It is not a weakly prime, because it can be changed into another prime (3133230091) 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, 1566615545 + 1566615546.

It is an arithmetic number, because the mean of its divisors is an integer number (1566615546).

Almost surely, 2^3133231091 is an apocalyptic number.

3133231091 is a deficient number, since it is larger than the sum of its proper divisors (1).

3133231091 is an equidigital number, since it uses as much as digits as its factorization.

3133231091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 3133231091 is about 55975.2721386864. The cubic root of 3133231091 is about 1463.2913627484.

The spelling of 3133231091 in words is "three billion, one hundred thirty-three million, two hundred thirty-one thousand, ninety-one".