131101404 has 48 divisors (see below), whose sum is σ = 350171136. Its totient is φ = 37396800.

The previous prime is 131101391. The next prime is 131101423. The reversal of 131101404 is 404101131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88389 + ... + 89859.

It is an arithmetic number, because the mean of its divisors is an integer number (7295232).

Almost surely, 2^131101404 is an apocalyptic number.

131101404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131101404 is an abundant number, since it is smaller than the sum of its proper divisors (219069732).

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

131101404 is a wasteful number, since it uses less digits than its factorization.

131101404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546 (or 2544 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 131101404 is about 11449.9521396380. The cubic root of 131101404 is about 508.0063187674.

Adding to 131101404 its reverse (404101131), we get a palindrome (535202535).

The spelling of 131101404 in words is "one hundred thirty-one million, one hundred one thousand, four hundred four".