2331421033 has 2 divisors, whose sum is σ = 2331421034. Its totient is φ = 2331421032.

The previous prime is 2331421019. The next prime is 2331421091. The reversal of 2331421033 is 3301241332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1166700649 + 1164720384 = 34157^2 + 34128^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331421033 - 2²¹ = 2329323881 is a prime.

It is a super-2 number, since 2×2331421033² = 10871048066229574178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2331420995 and 2331421013.

It is not a weakly prime, because it can be changed into another prime (2331421003) 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 as a sum of consecutive naturals, namely, 1165710516 + 1165710517.

It is an arithmetic number, because the mean of its divisors is an integer number (1165710517).

Almost surely, 2^2331421033 is an apocalyptic number.

It is an amenable number.

2331421033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331421033 is an equidigital number, since it uses as much as digits as its factorization.

2331421033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 2331421033 is about 48284.7909076968. The cubic root of 2331421033 is about 1325.9899630091.

Adding to 2331421033 its reverse (3301241332), we get a palindrome (5632662365).

The spelling of 2331421033 in words is "two billion, three hundred thirty-one million, four hundred twenty-one thousand, thirty-three".