1403111213 has 4 divisors (see below), whose sum is σ = 1603555680. Its totient is φ = 1202666748.

The previous prime is 1403111209. The next prime is 1403111219. The reversal of 1403111213 is 3121113041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1403111213 - 2² = 1403111209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1403111191 and 1403111200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403111219) 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, 100222223 + ... + 100222236.

It is an arithmetic number, because the mean of its divisors is an integer number (400888920).

Almost surely, 2^1403111213 is an apocalyptic number.

It is an amenable number.

1403111213 is a deficient number, since it is larger than the sum of its proper divisors (200444467).

1403111213 is an equidigital number, since it uses as much as digits as its factorization.

1403111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200444466.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1403111213 is about 37458.1261277176. The cubic root of 1403111213 is about 1119.5170145910.

Adding to 1403111213 its reverse (3121113041), we get a palindrome (4524224254).

The spelling of 1403111213 in words is "one billion, four hundred three million, one hundred eleven thousand, two hundred thirteen".