13231216662342 has 16 divisors (see below), whose sum is σ = 30242780942592. Its totient is φ = 3780347617800.

The previous prime is 13231216662319. The next prime is 13231216662371. The reversal of 13231216662342 is 24326661213231.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 315028968151 = 13231216662342 / (1 + 3 + 2 + 3 + 1 + 2 + 1 + 6 + 6 + 6 + 2 + 3 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 13231216662294 and 13231216662303.

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, 157514484034 + ... + 157514484117.

It is an arithmetic number, because the mean of its divisors is an integer number (1890173808912).

Almost surely, 2^{13231216662342} is an apocalyptic number.

13231216662342 is an abundant number, since it is smaller than the sum of its proper divisors (17011564280250).

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

13231216662342 is a wasteful number, since it uses less digits than its factorization.

13231216662342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315028968163.

The product of its digits is 373248, while the sum is 42.

Adding to 13231216662342 its reverse (24326661213231), we get a palindrome (37557877875573).

The spelling of 13231216662342 in words is "thirteen trillion, two hundred thirty-one billion, two hundred sixteen million, six hundred sixty-two thousand, three hundred forty-two".