131423300 has 18 divisors (see below), whose sum is σ = 285188778. Its totient is φ = 52569280.

The previous prime is 131423269. The next prime is 131423309. The reversal of 131423300 is 3324131.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4 + 131423296 = 2^2 + 11464^2 .

It is not an unprimeable number, because it can be changed into a prime (131423309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 657017 + ... + 657216.

It is an arithmetic number, because the mean of its divisors is an integer number (15843821).

Almost surely, 2^131423300 is an apocalyptic number.

131423300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131423300 is an abundant number, since it is smaller than the sum of its proper divisors (153765478).

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

131423300 is a wasteful number, since it uses less digits than its factorization.

131423300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314247 (or 1314240 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 131423300 is about 11464.0001744592. Note that the first 3 decimals coincide. The cubic root of 131423300 is about 508.4217517672.

Adding to 131423300 its reverse (3324131), we get a palindrome (134747431).

The spelling of 131423300 in words is "one hundred thirty-one million, four hundred twenty-three thousand, three hundred".