2187314311 has 16 divisors (see below), whose sum is σ = 2764842304. Its totient is φ = 1683846144.

The previous prime is 2187314309. The next prime is 2187314321. The reversal of 2187314311 is 1134137812.

It is a cyclic number.

It is not a de Polignac number, because 2187314311 - 2¹ = 2187314309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187314321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321450 + ... + 328183.

It is an arithmetic number, because the mean of its divisors is an integer number (172802644).

Almost surely, 2^2187314311 is an apocalyptic number.

2187314311 is a deficient number, since it is larger than the sum of its proper divisors (577527993).

2187314311 is a wasteful number, since it uses less digits than its factorization.

2187314311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649690.

The product of its digits is 4032, while the sum is 31.

The square root of 2187314311 is about 46768.7321936355. The cubic root of 2187314311 is about 1298.0867934125.

The spelling of 2187314311 in words is "two billion, one hundred eighty-seven million, three hundred fourteen thousand, three hundred eleven".