1313136330 has 32 divisors (see below), whose sum is σ = 3438030528. Its totient is φ = 318336000.

The previous prime is 1313136311. The next prime is 1313136343. The reversal of 1313136330 is 336313131.

1313136330 is digitally balanced in base 4 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313136330.

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, 1989271 + ... + 1989930.

It is an arithmetic number, because the mean of its divisors is an integer number (107438454).

Almost surely, 2^1313136330 is an apocalyptic number.

1313136330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313136330 is an abundant number, since it is smaller than the sum of its proper divisors (2124894198).

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

1313136330 is a wasteful number, since it uses less digits than its factorization.

1313136330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979222.

The product of its (nonzero) digits is 1458, while the sum is 24.

The square root of 1313136330 is about 36237.2229896277. Note that the first 3 decimals coincide. The cubic root of 1313136330 is about 1095.0566972999.

Adding to 1313136330 its reverse (336313131), we get a palindrome (1649449461).

The spelling of 1313136330 in words is "one billion, three hundred thirteen million, one hundred thirty-six thousand, three hundred thirty".