103251243609 has 12 divisors (see below), whose sum is σ = 149146029396. Its totient is φ = 68831695872.

The previous prime is 103251243607. The next prime is 103251243611. The reversal of 103251243609 is 906342152301.

103251243609 is a `hidden beast` number, since 1 + 0 + 3 + 2 + 5 + 1 + 2 + 43 + 609 = 666.

It is an interprime number because it is at equal distance from previous prime (103251243607) and next prime (103251243611).

It can be written as a sum of positive squares in 2 ways, for example, as 99328977225 + 3922266384 = 315165^2 + 62628^2 .

It is not a de Polignac number, because 103251243609 - 2¹ = 103251243607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103251243607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80529 + ... + 461505.

It is an arithmetic number, because the mean of its divisors is an integer number (12428835783).

Almost surely, 2^103251243609 is an apocalyptic number.

It is an amenable number.

103251243609 is a deficient number, since it is larger than the sum of its proper divisors (45894785787).

103251243609 is a wasteful number, since it uses less digits than its factorization.

103251243609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411096 (or 411093 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 103251243609 in words is "one hundred three billion, two hundred fifty-one million, two hundred forty-three thousand, six hundred nine".