103252431 has 8 divisors (see below), whose sum is σ = 137800240. Its totient is φ = 68769792.

The previous prime is 103252421. The next prime is 103252439. The reversal of 103252431 is 134252301.

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

It is not a de Polignac number, because 103252431 - 2⁶ = 103252367 is a prime.

It is a super-2 number, since 2×103252431² = 21322129014819522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103252398 and 103252407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103252439) 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, 12466 + ... + 19023.

It is an arithmetic number, because the mean of its divisors is an integer number (17225030).

Almost surely, 2^103252431 is an apocalyptic number.

103252431 is a deficient number, since it is larger than the sum of its proper divisors (34547809).

103252431 is a wasteful number, since it uses less digits than its factorization.

103252431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32585.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 103252431 is about 10161.3203374365. The cubic root of 103252431 is about 469.1374416660.

The spelling of 103252431 in words is "one hundred three million, two hundred fifty-two thousand, four hundred thirty-one".