102003240313 has 8 divisors (see below), whose sum is σ = 110329339400. Its totient is φ = 93745669248.

The previous prime is 102003240301. The next prime is 102003240331. The reversal of 102003240313 is 313042300201.

It can be written as a sum of positive squares in 4 ways, for example, as 42266014569 + 59737225744 = 205587^2 + 244412^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102003240313 is a prime.

It is a super-2 number, since 2×102003240313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102003246313) 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, 17128908 + ... + 17134861.

It is an arithmetic number, because the mean of its divisors is an integer number (13791167425).

Almost surely, 2^102003240313 is an apocalyptic number.

102003240313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

102003240313 is a deficient number, since it is larger than the sum of its proper divisors (8326099087).

102003240313 is a wasteful number, since it uses less digits than its factorization.

102003240313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34264011.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 102003240313 its reverse (313042300201), we get a palindrome (415045540514).

The spelling of 102003240313 in words is "one hundred two billion, three million, two hundred forty thousand, three hundred thirteen".