131134031442 has 12 divisors (see below), whose sum is σ = 284123734830. Its totient is φ = 43711343808.

The previous prime is 131134031429. The next prime is 131134031443. The reversal of 131134031442 is 244130431131.

131134031442 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 340 + 314 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86176886481 + 44957144961 = 293559^2 + 212031^2 .

It is a super-2 number, since 2×131134031442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131134031443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3642611967 + ... + 3642612002.

Almost surely, 2^131134031442 is an apocalyptic number.

131134031442 is an abundant number, since it is smaller than the sum of its proper divisors (152989703388).

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

131134031442 is a wasteful number, since it uses less digits than its factorization.

131134031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7285223977 (or 7285223974 counting only the distinct ones).

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

Adding to 131134031442 its reverse (244130431131), we get a palindrome (375264462573).

The spelling of 131134031442 in words is "one hundred thirty-one billion, one hundred thirty-four million, thirty-one thousand, four hundred forty-two".