131544030 has 32 divisors (see below), whose sum is σ = 332323200. Its totient is φ = 33232032.

The previous prime is 131544013. The next prime is 131544037. The reversal of 131544030 is 30445131.

It is a junction number, because it is equal to n+sod(n) for n = 131543988 and 131544006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131544037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114820 + ... + 115959.

It is an arithmetic number, because the mean of its divisors is an integer number (10385100).

Almost surely, 2^131544030 is an apocalyptic number.

131544030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131544030 is an abundant number, since it is smaller than the sum of its proper divisors (200779170).

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

131544030 is a wasteful number, since it uses less digits than its factorization.

131544030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230808.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 131544030 is about 11469.2645797366. The cubic root of 131544030 is about 508.5773887354.

Adding to 131544030 its reverse (30445131), we get a palindrome (161989161).

The spelling of 131544030 in words is "one hundred thirty-one million, five hundred forty-four thousand, thirty".