131022300 has 36 divisors (see below), whose sum is σ = 379092056. Its totient is φ = 34939200.

The previous prime is 131022293. The next prime is 131022313. The reversal of 131022300 is 3220131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 218071 + ... + 218670.

Almost surely, 2^131022300 is an apocalyptic number.

131022300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131022300 is an abundant number, since it is smaller than the sum of its proper divisors (248069756).

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

131022300 is a wasteful number, since it uses less digits than its factorization.

131022300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436758 (or 436751 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 131022300 is about 11446.4972808279. The cubic root of 131022300 is about 507.9041245481.

Adding to 131022300 its reverse (3220131), we get a palindrome (134242431).

The spelling of 131022300 in words is "one hundred thirty-one million, twenty-two thousand, three hundred".