131103231300 has 108 divisors (see below), whose sum is σ = 417672622276. Its totient is φ = 34387718400.

The previous prime is 131103231257. The next prime is 131103231307. The reversal of 131103231300 is 3132301131.

It is a happy number.

131103231300 is a `hidden beast` number, since 1 + 31 + 10 + 323 + 1 + 300 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 69686496324 + 61416734976 = 263982^2 + 247824^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (131103231307) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 1139119 + ... + 1248918.

Almost surely, 2^131103231300 is an apocalyptic number.

131103231300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131103231300 is an abundant number, since it is smaller than the sum of its proper divisors (286569390976).

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

131103231300 is a wasteful number, since it uses less digits than its factorization.

131103231300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388118 (or 2388108 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 131103231300 its reverse (3132301131), we get a palindrome (134235532431).

The spelling of 131103231300 in words is "one hundred thirty-one billion, one hundred three million, two hundred thirty-one thousand, three hundred".