113031032221 has 8 divisors (see below), whose sum is σ = 113674559544. Its totient is φ = 112387714560.

The previous prime is 113031032197. The next prime is 113031032227. The reversal of 113031032221 is 122230130311.

It can be written as a sum of positive squares in 4 ways, for example, as 4055779225 + 108975252996 = 63685^2 + 330114^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113031032221 - 2²⁷ = 112896814493 is a prime.

It is a super-3 number, since 3×113031032221³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113031032227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100745 + ... + 1199041.

It is an arithmetic number, because the mean of its divisors is an integer number (14209319943).

Almost surely, 2^113031032221 is an apocalyptic number.

It is an amenable number.

113031032221 is a deficient number, since it is larger than the sum of its proper divisors (643527323).

113031032221 is an equidigital number, since it uses as much as digits as its factorization.

113031032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104831.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 113031032221 its reverse (122230130311), we get a palindrome (235261162532).

The spelling of 113031032221 in words is "one hundred thirteen billion, thirty-one million, thirty-two thousand, two hundred twenty-one".