2031320121233 has 8 divisors (see below), whose sum is σ = 2215266345600. Its totient is φ = 1851329729808.

The previous prime is 2031320121203. The next prime is 2031320121239. The reversal of 2031320121233 is 3321210231302.

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

It is not a de Polignac number, because 2031320121233 - 2¹² = 2031320117137 is a prime.

It is a super-2 number, since 2×2031320121233² (a number of 25 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 = 2031320121199 and 2031320121208.

It is not an unprimeable number, because it can be changed into a prime (2031320121239) 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, 988957163 + ... + 988959216.

It is an arithmetic number, because the mean of its divisors is an integer number (276908293200).

Almost surely, 2^{2031320121233} is an apocalyptic number.

It is an amenable number.

2031320121233 is a deficient number, since it is larger than the sum of its proper divisors (183946224367).

2031320121233 is a wasteful number, since it uses less digits than its factorization.

2031320121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977916471.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2031320121233 its reverse (3321210231302), we get a palindrome (5352530352535).

The spelling of 2031320121233 in words is "two trillion, thirty-one billion, three hundred twenty million, one hundred twenty-one thousand, two hundred thirty-three".