131421403044 has 48 divisors (see below), whose sum is σ = 349930873600. Its totient is φ = 42623156448.

The previous prime is 131421403033. The next prime is 131421403103. The reversal of 131421403044 is 440304124131.

131421403044 is a `hidden beast` number, since 1 + 314 + 2 + 1 + 40 + 304 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 131421402999 and 131421403017.

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, 16440124 + ... + 16448115.

Almost surely, 2^131421403044 is an apocalyptic number.

It is an amenable number.

131421403044 is an abundant number, since it is smaller than the sum of its proper divisors (218509470556).

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

131421403044 is a wasteful number, since it uses less digits than its factorization.

131421403044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32888289 (or 32888281 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 131421403044 its reverse (440304124131), we get a palindrome (571725527175).

The spelling of 131421403044 in words is "one hundred thirty-one billion, four hundred twenty-one million, four hundred three thousand, forty-four".