131001424404404 has 12 divisors (see below), whose sum is σ = 229254118758084. Its totient is φ = 65500247616384.

The previous prime is 131001424404391. The next prime is 131001424404407. The reversal of 131001424404404 is 404404424100131.

It can be written as a sum of positive squares in 2 ways, for example, as 19814944154404 + 111186480250000 = 4451398^2 + 10544500^2 .

It is a super-2 number, since 2×131001424404404² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131001424404407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115511627 + ... + 116640210.

It is an arithmetic number, because the mean of its divisors is an integer number (19104509896507).

Almost surely, 2^{131001424404404} is an apocalyptic number.

It is an amenable number.

131001424404404 is a deficient number, since it is larger than the sum of its proper divisors (98252694353680).

131001424404404 is a wasteful number, since it uses less digits than its factorization.

131001424404404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232292914 (or 232292912 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 131001424404404 its reverse (404404424100131), we get a palindrome (535405848504535).

The spelling of 131001424404404 in words is "one hundred thirty-one trillion, one billion, four hundred twenty-four million, four hundred four thousand, four hundred four".