13103343040 has 56 divisors (see below), whose sum is σ = 31731234480. Its totient is φ = 5152493568.

The previous prime is 13103343037. The next prime is 13103343073. The reversal of 13103343040 is 4034330131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328137 + ... + 365896.

Almost surely, 2^13103343040 is an apocalyptic number.

13103343040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13103343040 is an abundant number, since it is smaller than the sum of its proper divisors (18627891440).

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

13103343040 is an equidigital number, since it uses as much as digits as its factorization.

13103343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694109 (or 694099 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13103343040 its reverse (4034330131), we get a palindrome (17137673171).

The spelling of 13103343040 in words is "thirteen billion, one hundred three million, three hundred forty-three thousand, forty".