2033313231 has 4 divisors (see below), whose sum is σ = 2711084312. Its totient is φ = 1355542152.

The previous prime is 2033313223. The next prime is 2033313241. The reversal of 2033313231 is 1323133302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2033313231 - 2³ = 2033313223 is a prime.

It is a super-2 number, since 2×2033313231² = 8268725390719318722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2033313198 and 2033313207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2033313211) 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 3 ways as a sum of consecutive naturals, for example, 338885536 + ... + 338885541.

It is an arithmetic number, because the mean of its divisors is an integer number (677771078).

Almost surely, 2^2033313231 is an apocalyptic number.

2033313231 is a deficient number, since it is larger than the sum of its proper divisors (677771081).

2033313231 is an equidigital number, since it uses as much as digits as its factorization.

2033313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677771080.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 2033313231 is about 45092.2746265921. The cubic root of 2033313231 is about 1266.8779059597.

Adding to 2033313231 its reverse (1323133302), we get a palindrome (3356446533).

The spelling of 2033313231 in words is "two billion, thirty-three million, three hundred thirteen thousand, two hundred thirty-one".