2216541607431 has 4 divisors (see below), whose sum is σ = 2955388809912. Its totient is φ = 1477694404952.

The previous prime is 2216541607411. The next prime is 2216541607459. The reversal of 2216541607431 is 1347061456122.

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 2216541607431 - 2³¹ = 2214394123783 is a prime.

It is a super-2 number, since 2×2216541607431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216541607411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369423601236 + ... + 369423601241.

It is an arithmetic number, because the mean of its divisors is an integer number (738847202478).

Almost surely, 2^{2216541607431} is an apocalyptic number.

2216541607431 is a deficient number, since it is larger than the sum of its proper divisors (738847202481).

2216541607431 is an equidigital number, since it uses as much as digits as its factorization.

2216541607431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738847202480.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 2216541607431 in words is "two trillion, two hundred sixteen billion, five hundred forty-one million, six hundred seven thousand, four hundred thirty-one".