131421404401300 has 72 divisors (see below), whose sum is σ = 307126694978936. Its totient is φ = 48524039055360.

The previous prime is 131421404401253. The next prime is 131421404401307. The reversal of 131421404401300 is 3104404124131.

It can be written as a sum of positive squares in 12 ways, for example, as 734712979716 + 130686691421584 = 857154^2 + 11431828^2 .

It is a super-2 number, since 2×131421404401300² (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 (131421404401307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82610992 + ... + 84186808.

Almost surely, 2^{131421404401300} is an apocalyptic number.

131421404401300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131421404401300 is an abundant number, since it is smaller than the sum of its proper divisors (175705290577636).

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

131421404401300 is a wasteful number, since it uses less digits than its factorization.

131421404401300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639997 (or 1639990 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131421404401300 its reverse (3104404124131), we get a palindrome (134525808525431).

The spelling of 131421404401300 in words is "one hundred thirty-one trillion, four hundred twenty-one billion, four hundred four million, four hundred one thousand, three hundred".