1313240424 has 64 divisors (see below), whose sum is σ = 3336992640. Its totient is φ = 430590720.

The previous prime is 1313240419. The next prime is 1313240431. The reversal of 1313240424 is 4240423131.

It is a super-2 number, since 2×1313240424² = 3449200822455399552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1313240394 and 1313240403.

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, 1316694 + ... + 1317690.

It is an arithmetic number, because the mean of its divisors is an integer number (52140510).

Almost surely, 2^1313240424 is an apocalyptic number.

It is an amenable number.

1313240424 is an abundant number, since it is smaller than the sum of its proper divisors (2023752216).

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

1313240424 is a wasteful number, since it uses less digits than its factorization.

1313240424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1313240424 is about 36238.6592467216. The cubic root of 1313240424 is about 1095.0856320513.

Adding to 1313240424 its reverse (4240423131), we get a palindrome (5553663555).

The spelling of 1313240424 in words is "one billion, three hundred thirteen million, two hundred forty thousand, four hundred twenty-four".