102100443131 has 8 divisors (see below), whose sum is σ = 102631907664. Its totient is φ = 101569870080.

The previous prime is 102100443121. The next prime is 102100443139. The reversal of 102100443131 is 131344001201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102100443131 is a prime.

It is a super-2 number, since 2×102100443131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100443139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7400 + ... + 451946.

It is an arithmetic number, because the mean of its divisors is an integer number (12828988458).

Almost surely, 2^102100443131 is an apocalyptic number.

102100443131 is a deficient number, since it is larger than the sum of its proper divisors (531464533).

102100443131 is an equidigital number, since it uses as much as digits as its factorization.

102100443131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445741.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102100443131 its reverse (131344001201), we get a palindrome (233444444332).

The spelling of 102100443131 in words is "one hundred two billion, one hundred million, four hundred forty-three thousand, one hundred thirty-one".