131000343113042 has 32 divisors (see below), whose sum is σ = 217336678439664. Its totient is φ = 58827220704000.

The previous prime is 131000343113039. The next prime is 131000343113047. The reversal of 131000343113042 is 240311343000131.

It can be written as a sum of positive squares in 8 ways, for example, as 71351150135521 + 59649192977521 = 8446961^2 + 7723289^2 .

It is a super-2 number, since 2×131000343113042² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (131000343113047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196204292 + ... + 196870832.

Almost surely, 2^{131000343113042} is an apocalyptic number.

131000343113042 is a deficient number, since it is larger than the sum of its proper divisors (86336335326622).

131000343113042 is a wasteful number, since it uses less digits than its factorization.

131000343113042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870894.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 131000343113042 its reverse (240311343000131), we get a palindrome (371311686113173).

The spelling of 131000343113042 in words is "one hundred thirty-one trillion, three hundred forty-three million, one hundred thirteen thousand, forty-two".