2116233331 has 4 divisors (see below), whose sum is σ = 2117540464. Its totient is φ = 2114926200.

The previous prime is 2116233307. The next prime is 2116233337. The reversal of 2116233331 is 1333326112.

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

It is a cyclic number.

It is not a de Polignac number, because 2116233331 - 2²⁹ = 1579362419 is a prime.

It is a super-2 number, since 2×2116233331² = 8956887022470711122, 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 = 2116233296 and 2116233305.

It is not an unprimeable number, because it can be changed into a prime (2116233337) 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, 651135 + ... + 654376.

It is an arithmetic number, because the mean of its divisors is an integer number (529385116).

Almost surely, 2^2116233331 is an apocalyptic number.

2116233331 is a deficient number, since it is larger than the sum of its proper divisors (1307133).

2116233331 is a wasteful number, since it uses less digits than its factorization.

2116233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307132.

The product of its digits is 1944, while the sum is 25.

The square root of 2116233331 is about 46002.5361366088. The cubic root of 2116233331 is about 1283.8703918617.

Adding to 2116233331 its reverse (1333326112), we get a palindrome (3449559443).

The spelling of 2116233331 in words is "two billion, one hundred sixteen million, two hundred thirty-three thousand, three hundred thirty-one".