102030440324 has 6 divisors (see below), whose sum is σ = 178553270574. Its totient is φ = 51015220160.

The previous prime is 102030440233. The next prime is 102030440327. The reversal of 102030440324 is 423044030201.

It can be written as a sum of positive squares in only one way, i.e., 62509000324 + 39521440000 = 250018^2 + 198800^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102030440324.

It is not an unprimeable number, because it can be changed into a prime (102030440327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12753805037 + ... + 12753805044.

It is an arithmetic number, because the mean of its divisors is an integer number (29758878429).

Almost surely, 2^102030440324 is an apocalyptic number.

It is an amenable number.

102030440324 is a deficient number, since it is larger than the sum of its proper divisors (76522830250).

102030440324 is a wasteful number, since it uses less digits than its factorization.

102030440324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25507610085 (or 25507610083 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 102030440324 its reverse (423044030201), we get a palindrome (525074470525).

The spelling of 102030440324 in words is "one hundred two billion, thirty million, four hundred forty thousand, three hundred twenty-four".