1316263530 has 32 divisors (see below), whose sum is σ = 3244414464. Its totient is φ = 341516736.

The previous prime is 1316263523. The next prime is 1316263591. The reversal of 1316263530 is 353626131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 591802 + ... + 594021.

It is an arithmetic number, because the mean of its divisors is an integer number (101387952).

Almost surely, 2^1316263530 is an apocalyptic number.

1316263530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1316263530 is an abundant number, since it is smaller than the sum of its proper divisors (1928150934).

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

1316263530 is a wasteful number, since it uses less digits than its factorization.

1316263530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185870.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 1316263530 is about 36280.3463324153. The cubic root of 1316263530 is about 1095.9252911629.

Adding to 1316263530 its reverse (353626131), we get a palindrome (1669889661).

The spelling of 1316263530 in words is "one billion, three hundred sixteen million, two hundred sixty-three thousand, five hundred thirty".