1113031427 has 2 divisors, whose sum is σ = 1113031428. Its totient is φ = 1113031426.

The previous prime is 1113031421. The next prime is 1113031481. The reversal of 1113031427 is 7241303111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113031427 - 2¹⁶ = 1112965891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113031421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556515713 + 556515714.

It is an arithmetic number, because the mean of its divisors is an integer number (556515714).

Almost surely, 2^1113031427 is an apocalyptic number.

1113031427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113031427 is an equidigital number, since it uses as much as digits as its factorization.

1113031427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1113031427 is about 33362.1256367157. The cubic root of 1113031427 is about 1036.3405120280.

Adding to 1113031427 its reverse (7241303111), we get a palindrome (8354334538).

The spelling of 1113031427 in words is "one billion, one hundred thirteen million, thirty-one thousand, four hundred twenty-seven".