13431040102 has 4 divisors (see below), whose sum is σ = 20146560156. Its totient is φ = 6715520050.

The previous prime is 13431040099. The next prime is 13431040157. The reversal of 13431040102 is 20104013431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20104013431 = 41 ⋅490341791.

It is a self number, because there is not a number n which added to its sum of digits gives 13431040102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3357760024 + ... + 3357760027.

It is an arithmetic number, because the mean of its divisors is an integer number (5036640039).

Almost surely, 2^13431040102 is an apocalyptic number.

13431040102 is a deficient number, since it is larger than the sum of its proper divisors (6715520054).

13431040102 is an equidigital number, since it uses as much as digits as its factorization.

13431040102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715520053.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13431040102 its reverse (20104013431), we get a palindrome (33535053533).

The spelling of 13431040102 in words is "thirteen billion, four hundred thirty-one million, forty thousand, one hundred two".