102403131009 has 16 divisors (see below), whose sum is σ = 139741086144. Its totient is φ = 66667608000.

The previous prime is 102403130983. The next prime is 102403131023. The reversal of 102403131009 is 900131304201.

It is not a de Polignac number, because 102403131009 - 2⁷ = 102403130881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102403131009.

It is not an unprimeable number, because it can be changed into a prime (102403111009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580219 + ... + 735839.

It is an arithmetic number, because the mean of its divisors is an integer number (8733817884).

Almost surely, 2^102403131009 is an apocalyptic number.

It is an amenable number.

102403131009 is a deficient number, since it is larger than the sum of its proper divisors (37337955135).

102403131009 is a wasteful number, since it uses less digits than its factorization.

102403131009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160768.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 102403131009 in words is "one hundred two billion, four hundred three million, one hundred thirty-one thousand, nine".