1313013047 has 2 divisors, whose sum is σ = 1313013048. Its totient is φ = 1313013046.

The previous prime is 1313012999. The next prime is 1313013209. The reversal of 1313013047 is 7403103131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313013047 - 2¹⁸ = 1312750903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313013847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656506523 + 656506524.

It is an arithmetic number, because the mean of its divisors is an integer number (656506524).

Almost surely, 2^1313013047 is an apocalyptic number.

1313013047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313013047 is an equidigital number, since it uses as much as digits as its factorization.

1313013047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1313013047 is about 36235.5218949583. The cubic root of 1313013047 is about 1095.0224266516.

Adding to 1313013047 its reverse (7403103131), we get a palindrome (8716116178).

The spelling of 1313013047 in words is "one billion, three hundred thirteen million, thirteen thousand, forty-seven".