2312331986 has 4 divisors (see below), whose sum is σ = 3468497982. Its totient is φ = 1156165992.

The previous prime is 2312331947. The next prime is 2312331997. The reversal of 2312331986 is 6891332132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2154352225 + 157979761 = 46415^2 + 12569^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578082995 + ... + 578082998.

Almost surely, 2^2312331986 is an apocalyptic number.

2312331986 is a deficient number, since it is larger than the sum of its proper divisors (1156165996).

2312331986 is a wasteful number, since it uses less digits than its factorization.

2312331986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156165995.

The product of its digits is 46656, while the sum is 38.

The square root of 2312331986 is about 48086.7131960586. The cubic root of 2312331986 is about 1322.3610913716.

The spelling of 2312331986 in words is "two billion, three hundred twelve million, three hundred thirty-one thousand, nine hundred eighty-six".