102131003443 has 4 divisors (see below), whose sum is σ = 116721146800. Its totient is φ = 87540860088.

The previous prime is 102131003441. The next prime is 102131003497. The reversal of 102131003443 is 344300131201.

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 102131003443 - 2¹ = 102131003441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102131003441) 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, 7295071668 + ... + 7295071681.

It is an arithmetic number, because the mean of its divisors is an integer number (29180286700).

Almost surely, 2^102131003443 is an apocalyptic number.

102131003443 is a deficient number, since it is larger than the sum of its proper divisors (14590143357).

102131003443 is an equidigital number, since it uses as much as digits as its factorization.

102131003443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14590143356.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 102131003443 its reverse (344300131201), we get a palindrome (446431134644).

The spelling of 102131003443 in words is "one hundred two billion, one hundred thirty-one million, three thousand, four hundred forty-three".