100003231 has 8 divisors (see below), whose sum is σ = 106935984. Its totient is φ = 93187200.

The previous prime is 100003219. The next prime is 100003243. The reversal of 100003231 is 132300001.

It is an interprime number because it is at equal distance from previous prime (100003219) and next prime (100003243).

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

It is not a de Polignac number, because 100003231 - 2¹¹ = 100001183 is a prime.

It is a super-2 number, since 2×100003231² = 20001292420878722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100003291) 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, 27405 + ... + 30838.

It is an arithmetic number, because the mean of its divisors is an integer number (13366998).

Almost surely, 2^100003231 is an apocalyptic number.

100003231 is a deficient number, since it is larger than the sum of its proper divisors (6932753).

100003231 is a wasteful number, since it uses less digits than its factorization.

100003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58361.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 100003231 is about 10000.1615486951. The cubic root of 100003231 is about 464.1638822986.

Adding to 100003231 its reverse (132300001), we get a palindrome (232303232).

It can be divided in two parts, 10000 and 3231, that added together give a palindrome (13231).

The spelling of 100003231 in words is "one hundred million, three thousand, two hundred thirty-one".