131432230 has 8 divisors (see below), whose sum is σ = 236578032. Its totient is φ = 52572888.

The previous prime is 131432201. The next prime is 131432233. The reversal of 131432230 is 32234131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 131432198 and 131432207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131432233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6571602 + ... + 6571621.

It is an arithmetic number, because the mean of its divisors is an integer number (29572254).

Almost surely, 2^131432230 is an apocalyptic number.

131432230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131432230 is a deficient number, since it is larger than the sum of its proper divisors (105145802).

131432230 is a wasteful number, since it uses less digits than its factorization.

131432230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13143230.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 131432230 is about 11464.3896479490. The cubic root of 131432230 is about 508.4332669841.

Adding to 131432230 its reverse (32234131), we get a palindrome (163666361).

The spelling of 131432230 in words is "one hundred thirty-one million, four hundred thirty-two thousand, two hundred thirty".