102020044103431 has 4 divisors (see below), whose sum is σ = 102020679590200. Its totient is φ = 102019408616664.

The previous prime is 102020044103429. The next prime is 102020044103473. The reversal of 102020044103431 is 134301440020201.

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 102020044103431 - 2¹ = 102020044103429 is a prime.

It is a super-2 number, since 2×102020044103431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102020044103396 and 102020044103405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020044103491) 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, 317502516 + ... + 317823673.

It is an arithmetic number, because the mean of its divisors is an integer number (25505169897550).

Almost surely, 2^{102020044103431} is an apocalyptic number.

102020044103431 is a deficient number, since it is larger than the sum of its proper divisors (635486769).

102020044103431 is an equidigital number, since it uses as much as digits as its factorization.

102020044103431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635486768.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 102020044103431 its reverse (134301440020201), we get a palindrome (236321484123632).

The spelling of 102020044103431 in words is "one hundred two trillion, twenty billion, forty-four million, one hundred three thousand, four hundred thirty-one".