231481003 has 4 divisors (see below), whose sum is σ = 249287248. Its totient is φ = 213674760.

The previous prime is 231481001. The next prime is 231481007. The reversal of 231481003 is 300184132.

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

It is not a de Polignac number, because 231481003 - 2¹ = 231481001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231481001) 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, 8903103 + ... + 8903128.

It is an arithmetic number, because the mean of its divisors is an integer number (62321812).

Almost surely, 2^231481003 is an apocalyptic number.

231481003 is a deficient number, since it is larger than the sum of its proper divisors (17806245).

231481003 is a wasteful number, since it uses less digits than its factorization.

231481003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17806244.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 231481003 is about 15214.4997617404. The cubic root of 231481003 is about 614.0048267153.

The spelling of 231481003 in words is "two hundred thirty-one million, four hundred eighty-one thousand, three".