1113898931 has 2 divisors, whose sum is σ = 1113898932. Its totient is φ = 1113898930.

The previous prime is 1113898889. The next prime is 1113898957. The reversal of 1113898931 is 1398983111.

It is a strong prime.

It is an emirp because it is prime and its reverse (1398983111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113898931 - 2¹⁸ = 1113636787 is a prime.

It is a super-2 number, since 2×1113898931² = 2481541656965885522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1113898631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556949465 + 556949466.

It is an arithmetic number, because the mean of its divisors is an integer number (556949466).

Almost surely, 2^1113898931 is an apocalyptic number.

1113898931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113898931 is an equidigital number, since it uses as much as digits as its factorization.

1113898931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 44.

The square root of 1113898931 is about 33375.1244342250. The cubic root of 1113898931 is about 1036.6096856407.

The spelling of 1113898931 in words is "one billion, one hundred thirteen million, eight hundred ninety-eight thousand, nine hundred thirty-one".