131142410243242 has 32 divisors (see below), whose sum is σ = 197496944768592. Its totient is φ = 65310452788224.

The previous prime is 131142410243231. The next prime is 131142410243303. The reversal of 131142410243242 is 242342014241131.

It can be written as a sum of positive squares in 8 ways, for example, as 1455615707121 + 129686794536121 = 1206489^2 + 11388011^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131142410243198 and 131142410243207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8464615648 + ... + 8464631140.

Almost surely, 2^{131142410243242} is an apocalyptic number.

131142410243242 is a deficient number, since it is larger than the sum of its proper divisors (66354534525350).

131142410243242 is a wasteful number, since it uses less digits than its factorization.

131142410243242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25962.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 131142410243242 its reverse (242342014241131), we get a palindrome (373484424484373).

The spelling of 131142410243242 in words is "one hundred thirty-one trillion, one hundred forty-two billion, four hundred ten million, two hundred forty-three thousand, two hundred forty-two".