131443130 has 96 divisors (see below), whose sum is σ = 301045248. Its totient is φ = 40435200.

The previous prime is 131443111. The next prime is 131443157. The reversal of 131443130 is 31344131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 484895 + ... + 485165.

It is an arithmetic number, because the mean of its divisors is an integer number (3135888).

Almost surely, 2^131443130 is an apocalyptic number.

131443130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131443130 is an abundant number, since it is smaller than the sum of its proper divisors (169602118).

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

131443130 is a wasteful number, since it uses less digits than its factorization.

131443130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 131443130 is about 11464.8650231915. The cubic root of 131443130 is about 508.4473218052.

Adding to 131443130 its reverse (31344131), we get a palindrome (162787261).

It can be divided in two parts, 1314 and 43130, that added together give a palindrome (44444).

The spelling of 131443130 in words is "one hundred thirty-one million, four hundred forty-three thousand, one hundred thirty".