103431135042 has 12 divisors (see below), whose sum is σ = 224100792630. Its totient is φ = 34477045008.

The previous prime is 103431135013. The next prime is 103431135061. The reversal of 103431135042 is 240531134301.

It is a happy number.

103431135042 is a `hidden beast` number, since 1 + 0 + 3 + 43 + 113 + 504 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 98193862881 + 5237272161 = 313359^2 + 72369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103431134997 and 103431135015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2873087067 + ... + 2873087102.

Almost surely, 2^103431135042 is an apocalyptic number.

103431135042 is an abundant number, since it is smaller than the sum of its proper divisors (120669657588).

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

103431135042 is a wasteful number, since it uses less digits than its factorization.

103431135042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746174177 (or 5746174174 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 103431135042 its reverse (240531134301), we get a palindrome (343962269343).

The spelling of 103431135042 in words is "one hundred three billion, four hundred thirty-one million, one hundred thirty-five thousand, forty-two".