102044314434431 has 4 divisors (see below), whose sum is σ = 102066746691000. Its totient is φ = 102021882177864.

The previous prime is 102044314434341. The next prime is 102044314434473. The reversal of 102044314434431 is 134434413440201.

It is a happy number.

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 102044314434431 - 2¹⁸ = 102044314172287 is a prime.

It is a super-2 number, since 2×102044314434431² (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 (102044313434431) 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, 11216121461 + ... + 11216130558.

It is an arithmetic number, because the mean of its divisors is an integer number (25516686672750).

Almost surely, 2^{102044314434431} is an apocalyptic number.

102044314434431 is a deficient number, since it is larger than the sum of its proper divisors (22432256569).

102044314434431 is an equidigital number, since it uses as much as digits as its factorization.

102044314434431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22432256568.

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 102044314434431 its reverse (134434413440201), we get a palindrome (236478727874632).

The spelling of 102044314434431 in words is "one hundred two trillion, forty-four billion, three hundred fourteen million, four hundred thirty-four thousand, four hundred thirty-one".