8131880033 has 4 divisors (see below), whose sum is σ = 8149520148. Its totient is φ = 8114239920.

The previous prime is 8131880021. The next prime is 8131880039. The reversal of 8131880033 is 3300881318.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2941109824 + 5190770209 = 54232^2 + 72047^2 .

It is a cyclic number.

It is not a de Polignac number, because 8131880033 - 2¹² = 8131875937 is a prime.

It is a super-2 number, since 2×8131880033² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8131879975 and 8131880002.

It is not an unprimeable number, because it can be changed into a prime (8131880039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8819366 + ... + 8820287.

It is an arithmetic number, because the mean of its divisors is an integer number (2037380037).

Almost surely, 2^8131880033 is an apocalyptic number.

It is an amenable number.

8131880033 is a deficient number, since it is larger than the sum of its proper divisors (17640115).

8131880033 is a wasteful number, since it uses less digits than its factorization.

8131880033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17640114.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 8131880033 is about 90176.9373675997. The cubic root of 8131880033 is about 2010.9301597367.

The spelling of 8131880033 in words is "eight billion, one hundred thirty-one million, eight hundred eighty thousand, thirty-three".