131040404 has 24 divisors (see below), whose sum is σ = 252755328. Its totient is φ = 58947840.

The previous prime is 131040389. The next prime is 131040457. The reversal of 131040404 is 404040131.

131040404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11084 + ... + 19619.

It is an arithmetic number, because the mean of its divisors is an integer number (10531472).

Almost surely, 2^131040404 is an apocalyptic number.

It is an amenable number.

131040404 is a deficient number, since it is larger than the sum of its proper divisors (121714924).

131040404 is a wasteful number, since it uses less digits than its factorization.

131040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30815 (or 30813 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 131040404 is about 11447.2880631178. The cubic root of 131040404 is about 507.9275166800.

Adding to 131040404 its reverse (404040131), we get a palindrome (535080535).

It can be divided in two parts, 1310 and 40404, that added together give a palindrome (41714).

The spelling of 131040404 in words is "one hundred thirty-one million, forty thousand, four hundred four".