Adding to 131201404323400 its reverse (4323404102131), we get a palindrome (135524808425531).
It is a happy number.
It is an unprimeable number.
Almost surely, 2131201404323400 is an apocalyptic number.
131201404323400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131201404323400 is a wasteful number, since it uses less digits than its factorization.
131201404323400 is an odious number, because the sum of its binary digits is odd.
The spelling of 131201404323400 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred four million, three hundred twenty-three thousand, four hundred".