1313343432 has 96 divisors (see below), whose sum is σ = 3774120480. Its totient is φ = 411164160.

The previous prime is 1313343407. The next prime is 1313343439. The reversal of 1313343432 is 2343433131.

1313343432 is a `hidden beast` number, since 1 + 313 + 3 + 4 + 343 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1313343396 and 1313343405.

It is not an unprimeable number, because it can be changed into a prime (1313343439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 835207 + ... + 836777.

It is an arithmetic number, because the mean of its divisors is an integer number (39313755).

Almost surely, 2^1313343432 is an apocalyptic number.

1313343432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313343432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1887060240).

1313343432 is an abundant number, since it is smaller than the sum of its proper divisors (2460777048).

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

1313343432 is a wasteful number, since it uses less digits than its factorization.

1313343432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283 (or 2276 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 1313343432 is about 36240.0804634868. The cubic root of 1313343432 is about 1095.1142634249.

Adding to 1313343432 its reverse (2343433131), we get a palindrome (3656776563).

It can be divided in two parts, 13133 and 43432, that added together give a palindrome (56565).

The spelling of 1313343432 in words is "one billion, three hundred thirteen million, three hundred forty-three thousand, four hundred thirty-two".