113021321331 has 8 divisors (see below), whose sum is σ = 152944275904. Its totient is φ = 74222957160.

The previous prime is 113021321321. The next prime is 113021321363. The reversal of 113021321331 is 133123120311.

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 113021321331 - 2⁵ = 113021321299 is a prime.

It is a super-2 number, since 2×113021321331² (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 = 113021321298 and 113021321307.

It is not an unprimeable number, because it can be changed into a prime (113021321321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281147365 + ... + 281147766.

It is an arithmetic number, because the mean of its divisors is an integer number (19118034488).

Almost surely, 2^113021321331 is an apocalyptic number.

113021321331 is a deficient number, since it is larger than the sum of its proper divisors (39922954573).

113021321331 is an equidigital number, since it uses as much as digits as its factorization.

113021321331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562295201.

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

Adding to 113021321331 its reverse (133123120311), we get a palindrome (246144441642).

The spelling of 113021321331 in words is "one hundred thirteen billion, twenty-one million, three hundred twenty-one thousand, three hundred thirty-one".