1403231103 has 12 divisors (see below), whose sum is σ = 2027441728. Its totient is φ = 935232480.

The previous prime is 1403231087. The next prime is 1403231113. The reversal of 1403231103 is 3011323041.

It is not a de Polignac number, because 1403231103 - 2⁴ = 1403231087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403231113) 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, 17298 + ... + 55728.

Almost surely, 2^1403231103 is an apocalyptic number.

1403231103 is a deficient number, since it is larger than the sum of its proper divisors (624210625).

1403231103 is a wasteful number, since it uses less digits than its factorization.

1403231103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42494 (or 42491 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1403231103 is about 37459.7264138434. The cubic root of 1403231103 is about 1119.5488997025.

Adding to 1403231103 its reverse (3011323041), we get a palindrome (4414554144).

The spelling of 1403231103 in words is "one billion, four hundred three million, two hundred thirty-one thousand, one hundred three".