1401311305 has 16 divisors (see below), whose sum is σ = 1735937280. Its totient is φ = 1085269248.

The previous prime is 1401311299. The next prime is 1401311311. The reversal of 1401311305 is 5031131041.

It is an interprime number because it is at equal distance from previous prime (1401311299) and next prime (1401311311).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401311305 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4545 + ... + 53134.

It is an arithmetic number, because the mean of its divisors is an integer number (108496080).

Almost surely, 2^1401311305 is an apocalyptic number.

It is an amenable number.

1401311305 is a deficient number, since it is larger than the sum of its proper divisors (334625975).

1401311305 is a wasteful number, since it uses less digits than its factorization.

1401311305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57840.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1401311305 is about 37434.0928165756. The cubic root of 1401311305 is about 1119.0381050907.

Adding to 1401311305 its reverse (5031131041), we get a palindrome (6432442346).

The spelling of 1401311305 in words is "one billion, four hundred one million, three hundred eleven thousand, three hundred five".