102431220443 has 8 divisors (see below), whose sum is σ = 104784697920. Its totient is φ = 100084996800.

The previous prime is 102431220407. The next prime is 102431220457. The reversal of 102431220443 is 344022134201.

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

It is a cyclic number.

It is not a de Polignac number, because 102431220443 - 2⁶ = 102431220379 is a prime.

It is a super-2 number, since 2×102431220443² (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 (102431220343) 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, 1784888 + ... + 1841381.

It is an arithmetic number, because the mean of its divisors is an integer number (13098087240).

Almost surely, 2^102431220443 is an apocalyptic number.

102431220443 is a deficient number, since it is larger than the sum of its proper divisors (2353477477).

102431220443 is an equidigital number, since it uses as much as digits as its factorization.

102431220443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626917.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 102431220443 its reverse (344022134201), we get a palindrome (446453354644).

The spelling of 102431220443 in words is "one hundred two billion, four hundred thirty-one million, two hundred twenty thousand, four hundred forty-three".