131401100 has 18 divisors (see below), whose sum is σ = 285140604. Its totient is φ = 52560400.

The previous prime is 131401099. The next prime is 131401103. The reversal of 131401100 is 1104131.

It is not an unprimeable number, because it can be changed into a prime (131401103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 656906 + ... + 657105.

Almost surely, 2^131401100 is an apocalyptic number.

131401100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131401100 is an abundant number, since it is smaller than the sum of its proper divisors (153739504).

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

131401100 is a wasteful number, since it uses less digits than its factorization.

131401100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314025 (or 1314018 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 131401100 is about 11463.0318851515. The cubic root of 131401100 is about 508.3931226518.

Adding to 131401100 its reverse (1104131), we get a palindrome (132505231).

The spelling of 131401100 in words is "one hundred thirty-one million, four hundred one thousand, one hundred".