1313333530 has 8 divisors (see below), whose sum is σ = 2364000372. Its totient is φ = 525333408.

The previous prime is 1313333519. The next prime is 1313333579. The reversal of 1313333530 is 353333131.

It can be written as a sum of positive squares in 2 ways, for example, as 1306027321 + 7306209 = 36139^2 + 2703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1313333530² = 3449689922044521800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313333495 and 1313333504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65666667 + ... + 65666686.

Almost surely, 2^1313333530 is an apocalyptic number.

1313333530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313333530 is a deficient number, since it is larger than the sum of its proper divisors (1050666842).

1313333530 is a wasteful number, since it uses less digits than its factorization.

1313333530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131333360.

The product of its (nonzero) digits is 3645, while the sum is 25.

The square root of 1313333530 is about 36239.9438465349. The cubic root of 1313333530 is about 1095.1115112002. Note that the first 3 decimals are identical.

Adding to 1313333530 its reverse (353333131), we get a palindrome (1666666661).

The spelling of 1313333530 in words is "one billion, three hundred thirteen million, three hundred thirty-three thousand, five hundred thirty".