113021232309 has 32 divisors (see below), whose sum is σ = 177137280000. Its totient is φ = 71023064112.

The previous prime is 113021232299. The next prime is 113021232323. The reversal of 113021232309 is 903232120311.

113021232309 is a `hidden beast` number, since 1 + 1 + 302 + 123 + 230 + 9 = 666.

It is not a de Polignac number, because 113021232309 - 2¹¹ = 113021230261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113021232109) 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 in 31 ways as a sum of consecutive naturals, for example, 451467 + ... + 655640.

It is an arithmetic number, because the mean of its divisors is an integer number (5535540000).

Almost surely, 2^113021232309 is an apocalyptic number.

113021232309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

113021232309 is a deficient number, since it is larger than the sum of its proper divisors (64116047691).

113021232309 is a wasteful number, since it uses less digits than its factorization.

113021232309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107334 (or 1107328 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 113021232309 in words is "one hundred thirteen billion, twenty-one million, two hundred thirty-two thousand, three hundred nine".