1403231013 has 32 divisors (see below), whose sum is σ = 2127513600. Its totient is φ = 913678128.

The previous prime is 1403231009. The next prime is 1403231029. The reversal of 1403231013 is 3101323041.

It is not a de Polignac number, because 1403231013 - 2² = 1403231009 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 865918 + ... + 867536.

It is an arithmetic number, because the mean of its divisors is an integer number (66484800).

Almost surely, 2^1403231013 is an apocalyptic number.

It is an amenable number.

1403231013 is a deficient number, since it is larger than the sum of its proper divisors (724282587).

1403231013 is a wasteful number, since it uses less digits than its factorization.

1403231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358 (or 2352 counting only the distinct ones).

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

The square root of 1403231013 is about 37459.7252125533. The cubic root of 1403231013 is about 1119.5488757674.

Adding to 1403231013 its reverse (3101323041), we get a palindrome (4504554054).

The spelling of 1403231013 in words is "one billion, four hundred three million, two hundred thirty-one thousand, thirteen".