1311014320 has 80 divisors (see below), whose sum is σ = 3800256768. Its totient is φ = 408625920.

The previous prime is 1311014317. The next prime is 1311014323. The reversal of 1311014320 is 234101131.

It is an interprime number because it is at equal distance from previous prime (1311014317) and next prime (1311014323).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1311014294 and 1311014303.

It is not an unprimeable number, because it can be changed into a prime (1311014323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100254 + ... + 112573.

Almost surely, 2^1311014320 is an apocalyptic number.

1311014320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311014320 is an abundant number, since it is smaller than the sum of its proper divisors (2489242448).

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

1311014320 is a wasteful number, since it uses less digits than its factorization.

1311014320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212858 (or 212852 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1311014320 is about 36207.9317277306. The cubic root of 1311014320 is about 1094.4665138248.

Adding to 1311014320 its reverse (234101131), we get a palindrome (1545115451).

The spelling of 1311014320 in words is "one billion, three hundred eleven million, fourteen thousand, three hundred twenty".