2311513403 has 8 divisors (see below), whose sum is σ = 2334234672. Its totient is φ = 2288813056.

The previous prime is 2311513361. The next prime is 2311513441. The reversal of 2311513403 is 3043151132.

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 2311513403 - 2⁶ = 2311513339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311513493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306251 + ... + 313707.

It is an arithmetic number, because the mean of its divisors is an integer number (291779334).

Almost surely, 2^2311513403 is an apocalyptic number.

2311513403 is a deficient number, since it is larger than the sum of its proper divisors (22721269).

2311513403 is a wasteful number, since it uses less digits than its factorization.

2311513403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10461.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2311513403 is about 48078.2009126798. The cubic root of 2311513403 is about 1322.2050310143.

Adding to 2311513403 its reverse (3043151132), we get a palindrome (5354664535).

The spelling of 2311513403 in words is "two billion, three hundred eleven million, five hundred thirteen thousand, four hundred three".