131000310123143 has 4 divisors (see below), whose sum is σ = 138706210718640. Its totient is φ = 123294409527648.

The previous prime is 131000310123127. The next prime is 131000310123181. The reversal of 131000310123143 is 341321013000131.

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 131000310123143 - 2⁴ = 131000310123127 is a prime.

It is a super-2 number, since 2×131000310123143² (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 (131000310123103) 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, 3852950297723 + ... + 3852950297756.

It is an arithmetic number, because the mean of its divisors is an integer number (34676552679660).

Almost surely, 2^{131000310123143} is an apocalyptic number.

131000310123143 is a deficient number, since it is larger than the sum of its proper divisors (7705900595497).

131000310123143 is an equidigital number, since it uses as much as digits as its factorization.

131000310123143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7705900595496.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 131000310123143 its reverse (341321013000131), we get a palindrome (472321323123274).

The spelling of 131000310123143 in words is "one hundred thirty-one trillion, three hundred ten million, one hundred twenty-three thousand, one hundred forty-three".