131012222420443 has 72 divisors (see below), whose sum is σ = 167139175524048. Its totient is φ = 101779824964608.

The previous prime is 131012222420419. The next prime is 131012222420459. The reversal of 131012222420443 is 344024222210131.

It is not a de Polignac number, because 131012222420443 - 2¹³ = 131012222412251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131012222420743) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 870247005 + ... + 870397537.

It is an arithmetic number, because the mean of its divisors is an integer number (2321377437834).

Almost surely, 2^{131012222420443} is an apocalyptic number.

131012222420443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131012222420443 is a deficient number, since it is larger than the sum of its proper divisors (36126953103605).

131012222420443 is a wasteful number, since it uses less digits than its factorization.

131012222420443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150893 (or 150773 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 131012222420443 its reverse (344024222210131), we get a palindrome (475036444630574).

The spelling of 131012222420443 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-two million, four hundred twenty thousand, four hundred forty-three".