2130311986 has 16 divisors (see below), whose sum is σ = 3606171840. Its totient is φ = 934932880.

The previous prime is 2130311969. The next prime is 2130311987. The reversal of 2130311986 is 6891130312.

It is not an unprimeable number, because it can be changed into a prime (2130311987) 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, 1668886 + ... + 1670161.

It is an arithmetic number, because the mean of its divisors is an integer number (225385740).

Almost surely, 2^2130311986 is an apocalyptic number.

2130311986 is a deficient number, since it is larger than the sum of its proper divisors (1475859854).

2130311986 is a wasteful number, since it uses less digits than its factorization.

2130311986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339089.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 2130311986 is about 46155.3029022668. The cubic root of 2130311986 is about 1286.7111676049.

The spelling of 2130311986 in words is "two billion, one hundred thirty million, three hundred eleven thousand, nine hundred eighty-six".