11313313903 has 2 divisors, whose sum is σ = 11313313904. Its totient is φ = 11313313902.

The previous prime is 11313313883. The next prime is 11313313931. The reversal of 11313313903 is 30931331311.

It is a happy number.

It is an a-pointer prime, because the next prime (11313313931) can be obtained adding 11313313903 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11313313903 - 2²¹ = 11311216751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11313313933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656656951 + 5656656952.

It is an arithmetic number, because the mean of its divisors is an integer number (5656656952).

Almost surely, 2^11313313903 is an apocalyptic number.

11313313903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313313903 is an equidigital number, since it uses as much as digits as its factorization.

11313313903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 28.

The spelling of 11313313903 in words is "eleven billion, three hundred thirteen million, three hundred thirteen thousand, nine hundred three".