1313720167 has 2 divisors, whose sum is σ = 1313720168. Its totient is φ = 1313720166.

The previous prime is 1313720159. The next prime is 1313720207. The reversal of 1313720167 is 7610273131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313720167 - 2³ = 1313720159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313720147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656860083 + 656860084.

It is an arithmetic number, because the mean of its divisors is an integer number (656860084).

Almost surely, 2^1313720167 is an apocalyptic number.

1313720167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313720167 is an equidigital number, since it uses as much as digits as its factorization.

1313720167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 1313720167 is about 36245.2778579500. The cubic root of 1313720167 is about 1095.2189652669.

Adding to 1313720167 its reverse (7610273131), we get a palindrome (8923993298).

The spelling of 1313720167 in words is "one billion, three hundred thirteen million, seven hundred twenty thousand, one hundred sixty-seven".