131020140424223 has 4 divisors (see below), whose sum is σ = 131597321659800. Its totient is φ = 130442959188648.

The previous prime is 131020140424219. The next prime is 131020140424231. The reversal of 131020140424223 is 322424041020131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131020140424223 - 2² = 131020140424219 is a prime.

It is a super-2 number, since 2×131020140424223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020140414223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288590617448 + ... + 288590617901.

It is an arithmetic number, because the mean of its divisors is an integer number (32899330414950).

Almost surely, 2^{131020140424223} is an apocalyptic number.

131020140424223 is a deficient number, since it is larger than the sum of its proper divisors (577181235577).

131020140424223 is an equidigital number, since it uses as much as digits as its factorization.

131020140424223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577181235576.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 131020140424223 its reverse (322424041020131), we get a palindrome (453444181444354).

The spelling of 131020140424223 in words is "one hundred thirty-one trillion, twenty billion, one hundred forty million, four hundred twenty-four thousand, two hundred twenty-three".