2011813403 has 2 divisors, whose sum is σ = 2011813404. Its totient is φ = 2011813402.

The previous prime is 2011813393. The next prime is 2011813411. The reversal of 2011813403 is 3043181102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011813403 - 2⁶ = 2011813339 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011813493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005906701 + 1005906702.

It is an arithmetic number, because the mean of its divisors is an integer number (1005906702).

Almost surely, 2^2011813403 is an apocalyptic number.

2011813403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011813403 is an equidigital number, since it uses as much as digits as its factorization.

2011813403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2011813403 is about 44853.2429485316. The cubic root of 2011813403 is about 1262.3968408734.

Adding to 2011813403 its reverse (3043181102), we get a palindrome (5054994505).

The spelling of 2011813403 in words is "two billion, eleven million, eight hundred thirteen thousand, four hundred three".