2113022403 has 32 divisors (see below), whose sum is σ = 3240396800. Its totient is φ = 1359439200.

The previous prime is 2113022399. The next prime is 2113022423. The reversal of 2113022403 is 3042203112.

2113022403 is a `hidden beast` number, since 211 + 30 + 22 + 403 = 666.

It is not a de Polignac number, because 2113022403 - 2² = 2113022399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113022423) 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, 313893 + ... + 320553.

It is an arithmetic number, because the mean of its divisors is an integer number (101262400).

Almost surely, 2^2113022403 is an apocalyptic number.

2113022403 is a deficient number, since it is larger than the sum of its proper divisors (1127374397).

2113022403 is a wasteful number, since it uses less digits than its factorization.

2113022403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7080 (or 7074 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2113022403 is about 45967.6234212734. The cubic root of 2113022403 is about 1283.2207309685.

Adding to 2113022403 its reverse (3042203112), we get a palindrome (5155225515).

The spelling of 2113022403 in words is "two billion, one hundred thirteen million, twenty-two thousand, four hundred three".