103251243519 has 12 divisors (see below), whose sum is σ = 149146748296. Its totient is φ = 68831363952.

The previous prime is 103251243517. The next prime is 103251243541. The reversal of 103251243519 is 915342152301.

It is a happy number.

103251243519 is a `hidden beast` number, since 10 + 3 + 2 + 5 + 124 + 3 + 519 = 666.

It is not a de Polignac number, because 103251243519 - 2¹ = 103251243517 is a prime.

It is a super-2 number, since 2×103251243519² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103251243517) 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, 14304 + ... + 454650.

Almost surely, 2^103251243519 is an apocalyptic number.

103251243519 is a deficient number, since it is larger than the sum of its proper divisors (45895504777).

103251243519 is a wasteful number, since it uses less digits than its factorization.

103251243519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466406 (or 466403 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 103251243519 in words is "one hundred three billion, two hundred fifty-one million, two hundred forty-three thousand, five hundred nineteen".