131233440044434 has 64 divisors (see below), whose sum is σ = 244055955419136. Its totient is φ = 51536183678784.

The previous prime is 131233440044419. The next prime is 131233440044489. The reversal of 131233440044434 is 434440044332131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19677129 + ... + 25488355.

It is an arithmetic number, because the mean of its divisors is an integer number (3813374303424).

Almost surely, 2^{131233440044434} is an apocalyptic number.

131233440044434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131233440044434 is a deficient number, since it is larger than the sum of its proper divisors (112822515374702).

131233440044434 is a wasteful number, since it uses less digits than its factorization.

131233440044434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812159.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 131233440044434 its reverse (434440044332131), we get a palindrome (565673484376565).

The spelling of 131233440044434 in words is "one hundred thirty-one trillion, two hundred thirty-three billion, four hundred forty million, forty-four thousand, four hundred thirty-four".