2119617331 has 4 divisors (see below), whose sum is σ = 2282664832. Its totient is φ = 1956569832.

The previous prime is 2119617319. The next prime is 2119617347. The reversal of 2119617331 is 1337169112.

It is a happy number.

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 2119617331 - 2⁵ = 2119617299 is a prime.

It is a super-2 number, since 2×2119617331² = 8985555259751127122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2119617431) 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, 81523731 + ... + 81523756.

It is an arithmetic number, because the mean of its divisors is an integer number (570666208).

Almost surely, 2^2119617331 is an apocalyptic number.

2119617331 is a deficient number, since it is larger than the sum of its proper divisors (163047501).

2119617331 is a wasteful number, since it uses less digits than its factorization.

2119617331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163047500.

The product of its digits is 6804, while the sum is 34.

The square root of 2119617331 is about 46039.3020255520. The cubic root of 2119617331 is about 1284.5543592388.

The spelling of 2119617331 in words is "two billion, one hundred nineteen million, six hundred seventeen thousand, three hundred thirty-one".