1331916007 has 2 divisors, whose sum is σ = 1331916008. Its totient is φ = 1331916006.

The previous prime is 1331915999. The next prime is 1331916059. The reversal of 1331916007 is 7006191331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1331916007 - 2³ = 1331915999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1331916007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331916077) 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, 665958003 + 665958004.

It is an arithmetic number, because the mean of its divisors is an integer number (665958004).

Almost surely, 2^1331916007 is an apocalyptic number.

1331916007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331916007 is an equidigital number, since it uses as much as digits as its factorization.

1331916007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1331916007 is about 36495.4244666369. The cubic root of 1331916007 is about 1100.2522856599.

The spelling of 1331916007 in words is "one billion, three hundred thirty-one million, nine hundred sixteen thousand, seven".