1310340432 has 20 divisors (see below), whose sum is σ = 3385046240. Its totient is φ = 436780128.

The previous prime is 1310340391. The next prime is 1310340461. The reversal of 1310340432 is 2340430131.

It is a junction number, because it is equal to n+sod(n) for n = 1310340399 and 1310340408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13649332 + ... + 13649427.

It is an arithmetic number, because the mean of its divisors is an integer number (169252312).

Almost surely, 2^1310340432 is an apocalyptic number.

1310340432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1310340432 is an abundant number, since it is smaller than the sum of its proper divisors (2074705808).

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

1310340432 is a wasteful number, since it uses less digits than its factorization.

1310340432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27298770 (or 27298764 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1310340432 is about 36198.6247252572. The cubic root of 1310340432 is about 1094.2789556757.

Adding to 1310340432 its reverse (2340430131), we get a palindrome (3650770563).

It can be divided in two parts, 13103 and 40432, that added together give a palindrome (53535).

The spelling of 1310340432 in words is "one billion, three hundred ten million, three hundred forty thousand, four hundred thirty-two".