1403231213 has 8 divisors (see below), whose sum is σ = 1449666816. Its totient is φ = 1356868800.

The previous prime is 1403231171. The next prime is 1403231239. The reversal of 1403231213 is 3121323041.

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

It is a cyclic number.

It is not a de Polignac number, because 1403231213 - 2¹⁰ = 1403230189 is a prime.

It is a Duffinian number.

It is a Curzon 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22133 + ... + 57413.

It is an arithmetic number, because the mean of its divisors is an integer number (181208352).

Almost surely, 2^1403231213 is an apocalyptic number.

It is an amenable number.

1403231213 is a deficient number, since it is larger than the sum of its proper divisors (46435603).

1403231213 is a wasteful number, since it uses less digits than its factorization.

1403231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36595.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1403231213 is about 37459.7278820869. The cubic root of 1403231213 is about 1119.5489289565.

Adding to 1403231213 its reverse (3121323041), we get a palindrome (4524554254).

The spelling of 1403231213 in words is "one billion, four hundred three million, two hundred thirty-one thousand, two hundred thirteen".