102431220554 has 16 divisors (see below), whose sum is σ = 166561624320. Its totient is φ = 46962860400.

The previous prime is 102431220533. The next prime is 102431220559. The reversal of 102431220554 is 455022134201.

It is not an unprimeable number, because it can be changed into a prime (102431220559) 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, 13041314 + ... + 13049165.

It is an arithmetic number, because the mean of its divisors is an integer number (10410101520).

Almost surely, 2^102431220554 is an apocalyptic number.

102431220554 is a deficient number, since it is larger than the sum of its proper divisors (64130403766).

102431220554 is a wasteful number, since it uses less digits than its factorization.

102431220554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26090645.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 102431220554 its reverse (455022134201), we get a palindrome (557453354755).

The spelling of 102431220554 in words is "one hundred two billion, four hundred thirty-one million, two hundred twenty thousand, five hundred fifty-four".