2163663131 has 8 divisors (see below), whose sum is σ = 2473041120. Its totient is φ = 1854355968.

The previous prime is 2163663119. The next prime is 2163663137. The reversal of 2163663131 is 1313663612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2163663131 - 2⁶ = 2163663067 is a prime.

It is a super-2 number, since 2×2163663131² = 9362876288897446322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2163663137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99515 + ... + 119291.

It is an arithmetic number, because the mean of its divisors is an integer number (309130140).

Almost surely, 2^2163663131 is an apocalyptic number.

2163663131 is a deficient number, since it is larger than the sum of its proper divisors (309377989).

2163663131 is a wasteful number, since it uses less digits than its factorization.

2163663131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35413.

The product of its digits is 11664, while the sum is 32.

The square root of 2163663131 is about 46515.1924751473. The cubic root of 2163663131 is about 1293.3911398877.

The spelling of 2163663131 in words is "two billion, one hundred sixty-three million, six hundred sixty-three thousand, one hundred thirty-one".