102313144424 has 8 divisors (see below), whose sum is σ = 191837145810. Its totient is φ = 51156572208.

The previous prime is 102313144399. The next prime is 102313144457. The reversal of 102313144424 is 424441313201.

It can be written as a sum of positive squares in only one way, i.e., 85796268100 + 16516876324 = 292910^2 + 128518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6394571519 + ... + 6394571534.

Almost surely, 2^102313144424 is an apocalyptic number.

It is an amenable number.

102313144424 is a deficient number, since it is larger than the sum of its proper divisors (89524001386).

102313144424 is a wasteful number, since it uses less digits than its factorization.

102313144424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12789143059 (or 12789143055 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 102313144424 its reverse (424441313201), we get a palindrome (526754457625).

The spelling of 102313144424 in words is "one hundred two billion, three hundred thirteen million, one hundred forty-four thousand, four hundred twenty-four".