1331350049 has 2 divisors, whose sum is σ = 1331350050. Its totient is φ = 1331350048.

The previous prime is 1331350003. The next prime is 1331350061. The reversal of 1331350049 is 9400531331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 938319424 + 393030625 = 30632^2 + 19825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331350049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331350079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665675024 + 665675025.

It is an arithmetic number, because the mean of its divisors is an integer number (665675025).

Almost surely, 2^1331350049 is an apocalyptic number.

It is an amenable number.

1331350049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331350049 is an equidigital number, since it uses as much as digits as its factorization.

1331350049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 1331350049 is about 36487.6698214616. The cubic root of 1331350049 is about 1100.0964237788.

The spelling of 1331350049 in words is "one billion, three hundred thirty-one million, three hundred fifty thousand, forty-nine".