13643031511342 has 8 divisors (see below), whose sum is σ = 20464572602232. Its totient is φ = 6821507310600.

The previous prime is 13643031511267. The next prime is 13643031511363. The reversal of 13643031511342 is 24311513034631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13643031511342² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960884 + ... + 5579527.

It is an arithmetic number, because the mean of its divisors is an integer number (2558071575279).

Almost surely, 2^{13643031511342} is an apocalyptic number.

13643031511342 is a deficient number, since it is larger than the sum of its proper divisors (6821541090890).

13643031511342 is an equidigital number, since it uses as much as digits as its factorization.

13643031511342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445074.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 13643031511342 its reverse (24311513034631), we get a palindrome (37954544545973).

The spelling of 13643031511342 in words is "thirteen trillion, six hundred forty-three billion, thirty-one million, five hundred eleven thousand, three hundred forty-two".