1313424828 has 48 divisors (see below), whose sum is σ = 3605484960. Its totient is φ = 412054272.

The previous prime is 1313424817. The next prime is 1313424839. The reversal of 1313424828 is 8284243131.

It is a happy number.

1313424828 is a `hidden beast` number, since 131 + 3 + 42 + 482 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1313424817) and next prime (1313424839).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1313424792 and 1313424801.

It is a congruent number.

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, 355851 + ... + 359522.

It is an arithmetic number, because the mean of its divisors is an integer number (75114270).

Almost surely, 2^1313424828 is an apocalyptic number.

1313424828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1313424828 is an abundant number, since it is smaller than the sum of its proper divisors (2292060132).

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

1313424828 is a wasteful number, since it uses less digits than its factorization.

1313424828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715403 (or 715395 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 1313424828 is about 36241.2034568390. The cubic root of 1313424828 is about 1095.1368866213.

Adding to 1313424828 its reverse (8284243131), we get a palindrome (9597667959).

The spelling of 1313424828 in words is "one billion, three hundred thirteen million, four hundred twenty-four thousand, eight hundred twenty-eight".