131120344215442 has 16 divisors (see below), whose sum is σ = 196849594159200. Its totient is φ = 65503832070400.

The previous prime is 131120344215359. The next prime is 131120344215493. The reversal of 131120344215442 is 244512443021131.

It is a super-2 number, since 2×131120344215442² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8829909 + ... + 18444727.

It is an arithmetic number, because the mean of its divisors is an integer number (12303099634950).

Almost surely, 2^{131120344215442} is an apocalyptic number.

131120344215442 is a deficient number, since it is larger than the sum of its proper divisors (65729249943758).

131120344215442 is a wasteful number, since it uses less digits than its factorization.

131120344215442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9620681.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 131120344215442 its reverse (244512443021131), we get a palindrome (375632787236573).

The spelling of 131120344215442 in words is "one hundred thirty-one trillion, one hundred twenty billion, three hundred forty-four million, two hundred fifteen thousand, four hundred forty-two".