131123416 has 8 divisors (see below), whose sum is σ = 245856420. Its totient is φ = 65561704.

The previous prime is 131123411. The next prime is 131123423. The reversal of 131123416 is 614321131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131123411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8195206 + ... + 8195221.

Almost surely, 2^131123416 is an apocalyptic number.

It is an amenable number.

131123416 is a deficient number, since it is larger than the sum of its proper divisors (114733004).

131123416 is a wasteful number, since it uses less digits than its factorization.

131123416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16390433 (or 16390429 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 131123416 is about 11450.9133260190. The cubic root of 131123416 is about 508.0347486925.

Adding to 131123416 its reverse (614321131), we get a palindrome (745444547).

The spelling of 131123416 in words is "one hundred thirty-one million, one hundred twenty-three thousand, four hundred sixteen".