1113404311 has 2 divisors, whose sum is σ = 1113404312. Its totient is φ = 1113404310.

The previous prime is 1113404287. The next prime is 1113404381. The reversal of 1113404311 is 1134043111.

It is a weak prime.

It is an emirp because it is prime and its reverse (1134043111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113404311 - 2¹¹ = 1113402263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113404381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556702155 + 556702156.

It is an arithmetic number, because the mean of its divisors is an integer number (556702156).

Almost surely, 2^1113404311 is an apocalyptic number.

1113404311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113404311 is an equidigital number, since it uses as much as digits as its factorization.

1113404311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1113404311 is about 33367.7136016240. The cubic root of 1113404311 is about 1036.4562295301.

Adding to 1113404311 its reverse (1134043111), we get a palindrome (2247447422).

The spelling of 1113404311 in words is "one billion, one hundred thirteen million, four hundred four thousand, three hundred eleven".