131344431232450 has 24 divisors (see below), whose sum is σ = 248441330946960. Its totient is φ = 51647301771600.

The previous prime is 131344431232429. The next prime is 131344431232499. The reversal of 131344431232450 is 54232134443131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22261765056 + ... + 22261770955.

It is an arithmetic number, because the mean of its divisors is an integer number (10351722122790).

Almost surely, 2^{131344431232450} is an apocalyptic number.

131344431232450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131344431232450 is a deficient number, since it is larger than the sum of its proper divisors (117096899714510).

131344431232450 is a wasteful number, since it uses less digits than its factorization.

131344431232450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44523536082 (or 44523536077 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 131344431232450 its reverse (54232134443131), we get a palindrome (185576565675581).

The spelling of 131344431232450 in words is "one hundred thirty-one trillion, three hundred forty-four billion, four hundred thirty-one million, two hundred thirty-two thousand, four hundred fifty".