2116454131 has 8 divisors (see below), whose sum is σ = 2371261104. Its totient is φ = 1872047520.

The previous prime is 2116454129. The next prime is 2116454183. The reversal of 2116454131 is 1314546112.

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 2116454131 - 2¹ = 2116454129 is a prime.

It is a super-2 number, since 2×2116454131² = 8958756177253930322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2116454131.

It is not an unprimeable number, because it can be changed into a prime (2116451131) 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, 2599660 + ... + 2600473.

It is an arithmetic number, because the mean of its divisors is an integer number (296407638).

Almost surely, 2^2116454131 is an apocalyptic number.

2116454131 is a deficient number, since it is larger than the sum of its proper divisors (254806973).

2116454131 is a wasteful number, since it uses less digits than its factorization.

2116454131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200181.

The product of its digits is 2880, while the sum is 28.

The square root of 2116454131 is about 46004.9359417009. The cubic root of 2116454131 is about 1283.9150417466.

The spelling of 2116454131 in words is "two billion, one hundred sixteen million, four hundred fifty-four thousand, one hundred thirty-one".