1320312083 has 2 divisors, whose sum is σ = 1320312084. Its totient is φ = 1320312082.

The previous prime is 1320312073. The next prime is 1320312101. The reversal of 1320312083 is 3802130231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320312083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320312023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660156041 + 660156042.

It is an arithmetic number, because the mean of its divisors is an integer number (660156042).

Almost surely, 2^1320312083 is an apocalyptic number.

1320312083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320312083 is an equidigital number, since it uses as much as digits as its factorization.

1320312083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1320312083 is about 36336.0988962767. The cubic root of 1320312083 is about 1097.0477539210.

The spelling of 1320312083 in words is "one billion, three hundred twenty million, three hundred twelve thousand, eighty-three".