113120321331 has 8 divisors (see below), whose sum is σ = 151660394704. Its totient is φ = 74996897760.

The previous prime is 113120321323. The next prime is 113120321359. The reversal of 113120321331 is 133123021311.

It is a happy number.

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

It is not a de Polignac number, because 113120321331 - 2³ = 113120321323 is a prime.

It is a super-2 number, since 2×113120321331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113120321298 and 113120321307.

It is not an unprimeable number, because it can be changed into a prime (113120321311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104161816 + ... + 104162901.

It is an arithmetic number, because the mean of its divisors is an integer number (18957549338).

Almost surely, 2^113120321331 is an apocalyptic number.

113120321331 is a deficient number, since it is larger than the sum of its proper divisors (38540073373).

113120321331 is a wasteful number, since it uses less digits than its factorization.

113120321331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208324901.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 113120321331 its reverse (133123021311), we get a palindrome (246243342642).

The spelling of 113120321331 in words is "one hundred thirteen billion, one hundred twenty million, three hundred twenty-one thousand, three hundred thirty-one".