13243240140304 has 10 divisors (see below), whose sum is σ = 25658777771870. Its totient is φ = 6621620070144.

The previous prime is 13243240140301. The next prime is 13243240140331. The reversal of 13243240140304 is 40304104234231.

13243240140304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12631484646400 + 611755493904 = 3554080^2 + 782148^2 .

It is not an unprimeable number, because it can be changed into a prime (13243240140301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413851254369 + ... + 413851254400.

It is an arithmetic number, because the mean of its divisors is an integer number (2565877777187).

Almost surely, 2^{13243240140304} is an apocalyptic number.

It is an amenable number.

13243240140304 is a deficient number, since it is larger than the sum of its proper divisors (12415537631566).

13243240140304 is an equidigital number, since it uses as much as digits as its factorization.

13243240140304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827702508777 (or 827702508771 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 13243240140304 its reverse (40304104234231), we get a palindrome (53547344374535).

The spelling of 13243240140304 in words is "thirteen trillion, two hundred forty-three billion, two hundred forty million, one hundred forty thousand, three hundred four".