131343232420434 has 16 divisors (see below), whose sum is σ = 262713865233888. Its totient is φ = 43776510741312.

The previous prime is 131343232420297. The next prime is 131343232420447. The reversal of 131343232420434 is 434024232343131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131343232420392 and 131343232420401.

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, 1141620727 + ... + 1141735770.

It is an arithmetic number, because the mean of its divisors is an integer number (16419616577118).

Almost surely, 2^{131343232420434} is an apocalyptic number.

131343232420434 is an abundant number, since it is smaller than the sum of its proper divisors (131370632813454).

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

131343232420434 is a wasteful number, since it uses less digits than its factorization.

131343232420434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283366089.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 131343232420434 its reverse (434024232343131), we get a palindrome (565367464763565).

The spelling of 131343232420434 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred thirty-two million, four hundred twenty thousand, four hundred thirty-four".