1313824620 has 24 divisors (see below), whose sum is σ = 3678709104. Its totient is φ = 350353216.

The previous prime is 1313824619. The next prime is 1313824667. The reversal of 1313824620 is 264283131.

It is a super-2 number, since 2×1313824620² = 3452270264236288800, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10948479 + ... + 10948598.

It is an arithmetic number, because the mean of its divisors is an integer number (153279546).

Almost surely, 2^1313824620 is an apocalyptic number.

1313824620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313824620 is an abundant number, since it is smaller than the sum of its proper divisors (2364884484).

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

1313824620 is a wasteful number, since it uses less digits than its factorization.

1313824620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21897089 (or 21897087 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1313824620 is about 36246.7187480467. The cubic root of 1313824620 is about 1095.2479912035.

The spelling of 1313824620 in words is "one billion, three hundred thirteen million, eight hundred twenty-four thousand, six hundred twenty".