131242200021031 has 8 divisors (see below), whose sum is σ = 143183089555200. Its totient is φ = 119302940560440.

The previous prime is 131242200021013. The next prime is 131242200021061. The reversal of 131242200021031 is 130120002242131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131242200021031 - 2¹⁹ = 131242199496743 is a prime.

It is a super-2 number, since 2×131242200021031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131242200020993 and 131242200021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131242200021061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407350041 + ... + 407672098.

It is an arithmetic number, because the mean of its divisors is an integer number (17897886194400).

Almost surely, 2^{131242200021031} is an apocalyptic number.

131242200021031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131242200021031 is a deficient number, since it is larger than the sum of its proper divisors (11940889534169).

131242200021031 is a wasteful number, since it uses less digits than its factorization.

131242200021031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815036789.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 131242200021031 its reverse (130120002242131), we get a palindrome (261362202263162).

The spelling of 131242200021031 in words is "one hundred thirty-one trillion, two hundred forty-two billion, two hundred million, twenty-one thousand, thirty-one".