131301100 has 36 divisors (see below), whose sum is σ = 325628464. Its totient is φ = 45017280.

The previous prime is 131301041. The next prime is 131301101. The reversal of 131301100 is 1103131.

It is a super-2 number, since 2×131301100² = 34479957722420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131301101) by changing a digit.

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, 93087 + ... + 94486.

Almost surely, 2^131301100 is an apocalyptic number.

131301100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131301100 is an abundant number, since it is smaller than the sum of its proper divisors (194327364).

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

131301100 is a wasteful number, since it uses less digits than its factorization.

131301100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187594 (or 187587 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 131301100 is about 11458.6692071985. The cubic root of 131301100 is about 508.2641226803.

Adding to 131301100 its reverse (1103131), we get a palindrome (132404231).

The spelling of 131301100 in words is "one hundred thirty-one million, three hundred one thousand, one hundred".