113113279 has 2 divisors, whose sum is σ = 113113280. Its totient is φ = 113113278.

The previous prime is 113113243. The next prime is 113113307. The reversal of 113113279 is 972311311.

It is an a-pointer prime, because the next prime (113113307) can be obtained adding 113113279 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113113279 - 2¹³ = 113105087 is a prime.

It is a super-2 number, since 2×113113279² = 25589227772263682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113111279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56556639 + 56556640.

It is an arithmetic number, because the mean of its divisors is an integer number (56556640).

Almost surely, 2^113113279 is an apocalyptic number.

113113279 is a deficient number, since it is larger than the sum of its proper divisors (1).

113113279 is an equidigital number, since it uses as much as digits as its factorization.

113113279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 28.

The square root of 113113279 is about 10635.4726740282. The cubic root of 113113279 is about 483.6203095864.

The spelling of 113113279 in words is "one hundred thirteen million, one hundred thirteen thousand, two hundred seventy-nine".