1401340313 has 2 divisors, whose sum is σ = 1401340314. Its totient is φ = 1401340312.

The previous prime is 1401340273. The next prime is 1401340387. The reversal of 1401340313 is 3130431041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1238828809 + 162511504 = 35197^2 + 12748^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401340313 - 2¹² = 1401336217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401340513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700670156 + 700670157.

It is an arithmetic number, because the mean of its divisors is an integer number (700670157).

Almost surely, 2^1401340313 is an apocalyptic number.

It is an amenable number.

1401340313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401340313 is an equidigital number, since it uses as much as digits as its factorization.

1401340313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1401340313 is about 37434.4802688644. The cubic root of 1401340313 is about 1119.0458266282.

Adding to 1401340313 its reverse (3130431041), we get a palindrome (4531771354).

The spelling of 1401340313 in words is "one billion, four hundred one million, three hundred forty thousand, three hundred thirteen".