102040203130 has 16 divisors (see below), whose sum is σ = 194476622760. Its totient is φ = 38415135232.

The previous prime is 102040203121. The next prime is 102040203149. The reversal of 102040203130 is 31302040201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 87070435929 + 14969767201 = 295077^2 + 122351^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300118075 + ... + 300118414.

Almost surely, 2^102040203130 is an apocalyptic number.

102040203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102040203130 is a deficient number, since it is larger than the sum of its proper divisors (92436419630).

102040203130 is a wasteful number, since it uses less digits than its factorization.

102040203130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600236513.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102040203130 its reverse (31302040201), we get a palindrome (133342243331).

The spelling of 102040203130 in words is "one hundred two billion, forty million, two hundred three thousand, one hundred thirty".