131423324 has 6 divisors (see below), whose sum is σ = 229990824. Its totient is φ = 65711660.

The previous prime is 131423317. The next prime is 131423333. The reversal of 131423324 is 423324131.

It is a self number, because there is not a number n which added to its sum of digits gives 131423324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16427912 + ... + 16427919.

It is an arithmetic number, because the mean of its divisors is an integer number (38331804).

Almost surely, 2^131423324 is an apocalyptic number.

It is an amenable number.

131423324 is a deficient number, since it is larger than the sum of its proper divisors (98567500).

131423324 is a wasteful number, since it uses less digits than its factorization.

131423324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32855835 (or 32855833 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 131423324 is about 11464.0012212142. The cubic root of 131423324 is about 508.4217827159.

Adding to 131423324 its reverse (423324131), we get a palindrome (554747455).

The spelling of 131423324 in words is "one hundred thirty-one million, four hundred twenty-three thousand, three hundred twenty-four".