13143131442 has 160 divisors (see below), whose sum is σ = 35009694720. Its totient is φ = 3606197760.

The previous prime is 13143131429. The next prime is 13143131461. The reversal of 13143131442 is 24413134131.

13143131442 is a `hidden beast` number, since 1 + 314 + 31 + 314 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4814734 + ... + 4817462.

It is an arithmetic number, because the mean of its divisors is an integer number (218810592).

Almost surely, 2^13143131442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13143131442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17504847360).

13143131442 is an abundant number, since it is smaller than the sum of its proper divisors (21866563278).

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

13143131442 is a wasteful number, since it uses less digits than its factorization.

13143131442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918 (or 2909 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 13143131442 its reverse (24413134131), we get a palindrome (37556265573).

The spelling of 13143131442 in words is "thirteen billion, one hundred forty-three million, one hundred thirty-one thousand, four hundred forty-two".