131020441421233 has 16 divisors (see below), whose sum is σ = 164546865212800. Its totient is φ = 103664525077008.

The previous prime is 131020441421227. The next prime is 131020441421263. The reversal of 131020441421233 is 332124144020131.

It is a happy number.

It is not a de Polignac number, because 131020441421233 - 2²⁹ = 131019904550321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131020441421195 and 131020441421204.

It is not an unprimeable number, because it can be changed into a prime (131020441421213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14691679935 + ... + 14691688852.

It is an arithmetic number, because the mean of its divisors is an integer number (10284179075800).

Almost surely, 2^{131020441421233} is an apocalyptic number.

131020441421233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131020441421233 is a deficient number, since it is larger than the sum of its proper divisors (33526423791567).

131020441421233 is an equidigital number, since it uses as much as digits as its factorization.

131020441421233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29383368821 (or 29383368807 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 131020441421233 its reverse (332124144020131), we get a palindrome (463144585441364).

The spelling of 131020441421233 in words is "one hundred thirty-one trillion, twenty billion, four hundred forty-one million, four hundred twenty-one thousand, two hundred thirty-three".