2133323031 has 32 divisors (see below), whose sum is σ = 3311400960. Its totient is φ = 1196492544.

The previous prime is 2133323011. The next prime is 2133323053. The reversal of 2133323031 is 1303233312.

It is not a de Polignac number, because 2133323031 - 2¹⁰ = 2133322007 is a prime.

It is a super-2 number, since 2×2133323031² = 9102134309190053922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2133322989 and 2133323007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133323011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283291 + ... + 290723.

It is an arithmetic number, because the mean of its divisors is an integer number (103481280).

Almost surely, 2^2133323031 is an apocalyptic number.

2133323031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2133323031 is a deficient number, since it is larger than the sum of its proper divisors (1178077929).

2133323031 is a wasteful number, since it uses less digits than its factorization.

2133323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695.

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

The square root of 2133323031 is about 46187.9100090056. The cubic root of 2133323031 is about 1287.3171072222.

Adding to 2133323031 its reverse (1303233312), we get a palindrome (3436556343).

The spelling of 2133323031 in words is "two billion, one hundred thirty-three million, three hundred twenty-three thousand, thirty-one".