1310131031242 has 16 divisors (see below), whose sum is σ = 2144109465792. Its totient is φ = 595442247520.

The previous prime is 1310131031239. The next prime is 1310131031243. The reversal of 1310131031242 is 2421301310131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1310131031243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3406198 + ... + 3771265.

It is an arithmetic number, because the mean of its divisors is an integer number (134006841612).

Almost surely, 2^{1310131031242} is an apocalyptic number.

1310131031242 is a deficient number, since it is larger than the sum of its proper divisors (833978434550).

1310131031242 is a wasteful number, since it uses less digits than its factorization.

1310131031242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185773.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1310131031242 its reverse (2421301310131), we get a palindrome (3731432341373).

The spelling of 1310131031242 in words is "one trillion, three hundred ten billion, one hundred thirty-one million, thirty-one thousand, two hundred forty-two".