131021211143043 has 144 divisors (see below), whose sum is σ = 212625282175488. Its totient is φ = 77248874707200.

The previous prime is 131021211143003. The next prime is 131021211143047. The reversal of 131021211143043 is 340341112120131.

131021211143043 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 212 + 1 + 11 + 430 + 4 + 3 = 666.

It is not a de Polignac number, because 131021211143043 - 2³⁴ = 131004031273859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131021211142998 and 131021211143016.

It is not an unprimeable number, because it can be changed into a prime (131021211143047) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4317420196 + ... + 4317450542.

It is an arithmetic number, because the mean of its divisors is an integer number (1476564459552).

Almost surely, 2^{131021211143043} is an apocalyptic number.

131021211143043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131021211143043 is a deficient number, since it is larger than the sum of its proper divisors (81604071032445).

131021211143043 is a wasteful number, since it uses less digits than its factorization.

131021211143043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30746 (or 30682 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 131021211143043 its reverse (340341112120131), we get a palindrome (471362323263174).

The spelling of 131021211143043 in words is "one hundred thirty-one trillion, twenty-one billion, two hundred eleven million, one hundred forty-three thousand, forty-three".