438103231 has 4 divisors (see below), whose sum is σ = 438158464. Its totient is φ = 438048000.

The previous prime is 438103229. The next prime is 438103271. The reversal of 438103231 is 132301834.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 438103231 - 2¹ = 438103229 is a prime.

It is a super-2 number, since 2×438103231² = 383868882025278722, 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 = 438103196 and 438103205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438103271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13215 + ... + 32416.

It is an arithmetic number, because the mean of its divisors is an integer number (109539616).

Almost surely, 2^438103231 is an apocalyptic number.

438103231 is a deficient number, since it is larger than the sum of its proper divisors (55233).

438103231 is an equidigital number, since it uses as much as digits as its factorization.

438103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55232.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 438103231 is about 20930.9156751443. The cubic root of 438103231 is about 759.4959902754.

The spelling of 438103231 in words is "four hundred thirty-eight million, one hundred three thousand, two hundred thirty-one".