1331916059 has 2 divisors, whose sum is σ = 1331916060. Its totient is φ = 1331916058.

The previous prime is 1331916007. The next prime is 1331916071. The reversal of 1331916059 is 9506191331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1331916059 - 2¹² = 1331911963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331916259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665958029 + 665958030.

It is an arithmetic number, because the mean of its divisors is an integer number (665958030).

Almost surely, 2^1331916059 is an apocalyptic number.

1331916059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331916059 is an equidigital number, since it uses as much as digits as its factorization.

1331916059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 1331916059 is about 36495.4251790550. The cubic root of 1331916059 is about 1100.2522999784.

The spelling of 1331916059 in words is "one billion, three hundred thirty-one million, nine hundred sixteen thousand, fifty-nine".