131434233505442 has 16 divisors (see below), whose sum is σ = 225316931539392. Its totient is φ = 56328681548400.

The previous prime is 131434233505411. The next prime is 131434233505469. The reversal of 131434233505442 is 244505332434131.

It is a junction number, because it is equal to n+sod(n) for n = 131434233505393 and 131434233505402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19996184 + ... + 25743267.

It is an arithmetic number, because the mean of its divisors is an integer number (14082308221212).

Almost surely, 2^{131434233505442} is an apocalyptic number.

131434233505442 is a deficient number, since it is larger than the sum of its proper divisors (93882698033950).

131434233505442 is a wasteful number, since it uses less digits than its factorization.

131434233505442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45944713.

The product of its (nonzero) digits is 2073600, while the sum is 44.

Adding to 131434233505442 its reverse (244505332434131), we get a palindrome (375939565939573).

The spelling of 131434233505442 in words is "one hundred thirty-one trillion, four hundred thirty-four billion, two hundred thirty-three million, five hundred five thousand, four hundred forty-two".