2031152165 has 24 divisors (see below), whose sum is σ = 2837423520. Its totient is φ = 1391758368.

The previous prime is 2031152143. The next prime is 2031152183. The reversal of 2031152165 is 5612511302.

It is not a de Polignac number, because 2031152165 - 2²⁰ = 2030103589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488666 + ... + 492804.

It is an arithmetic number, because the mean of its divisors is an integer number (118225980).

Almost surely, 2^2031152165 is an apocalyptic number.

It is an amenable number.

2031152165 is a deficient number, since it is larger than the sum of its proper divisors (806271355).

2031152165 is a wasteful number, since it uses less digits than its factorization.

2031152165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161 (or 6154 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2031152165 is about 45068.3055483563. The cubic root of 2031152165 is about 1266.4289216385.

Adding to 2031152165 its reverse (5612511302), we get a palindrome (7643663467).

The spelling of 2031152165 in words is "two billion, thirty-one million, one hundred fifty-two thousand, one hundred sixty-five".