1311301422 has 24 divisors (see below), whose sum is σ = 2858589864. Its totient is φ = 434417904.

The previous prime is 1311301417. The next prime is 1311301429. The reversal of 1311301422 is 2241031131.

It is a super-2 number, since 2×1311301422² = 3439022838678444168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1311301395 and 1311301404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311301429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220533 + ... + 226400.

It is an arithmetic number, because the mean of its divisors is an integer number (119107911).

Almost surely, 2^1311301422 is an apocalyptic number.

1311301422 is an abundant number, since it is smaller than the sum of its proper divisors (1547288442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311301422 is a wasteful number, since it uses less digits than its factorization.

1311301422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447104 (or 447101 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1311301422 is about 36211.8961392524. The cubic root of 1311301422 is about 1094.5464012284.

Adding to 1311301422 its reverse (2241031131), we get a palindrome (3552332553).

The spelling of 1311301422 in words is "one billion, three hundred eleven million, three hundred one thousand, four hundred twenty-two".