2113311323403 has 48 divisors (see below), whose sum is σ = 3601882791936. Its totient is φ = 1168422615360.

The previous prime is 2113311323401. The next prime is 2113311323419. The reversal of 2113311323403 is 3043231133112.

2113311323403 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 311 + 3 + 2 + 340 + 3 = 666.

It is not a de Polignac number, because 2113311323403 - 2¹ = 2113311323401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113311323401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10124550 + ... + 10331172.

It is an arithmetic number, because the mean of its divisors is an integer number (75039224832).

Almost surely, 2^{2113311323403} is an apocalyptic number.

2113311323403 is a deficient number, since it is larger than the sum of its proper divisors (1488571468533).

2113311323403 is a wasteful number, since it uses less digits than its factorization.

2113311323403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211904 (or 211901 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 2113311323403 its reverse (3043231133112), we get a palindrome (5156542456515).

The spelling of 2113311323403 in words is "two trillion, one hundred thirteen billion, three hundred eleven million, three hundred twenty-three thousand, four hundred three".