2116450131 has 16 divisors (see below), whose sum is σ = 2929664160. Its totient is φ = 1357448960.

The previous prime is 2116450129. The next prime is 2116450201. The reversal of 2116450131 is 1310546112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2116450131 - 2¹ = 2116450129 is a prime.

It is a super-2 number, since 2×2116450131² = 8958722314019834322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2116450031) 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 15 ways as a sum of consecutive naturals, for example, 18840 + ... + 67733.

It is an arithmetic number, because the mean of its divisors is an integer number (183104010).

Almost surely, 2^2116450131 is an apocalyptic number.

2116450131 is a deficient number, since it is larger than the sum of its proper divisors (813214029).

2116450131 is a wasteful number, since it uses less digits than its factorization.

2116450131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86886.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 2116450131 is about 46004.8924680843. The cubic root of 2116450131 is about 1283.9142328995.

Adding to 2116450131 its reverse (1310546112), we get a palindrome (3426996243).

The spelling of 2116450131 in words is "two billion, one hundred sixteen million, four hundred fifty thousand, one hundred thirty-one".