312030111986 has 8 divisors (see below), whose sum is σ = 484184656620. Its totient is φ = 150635226448.

The previous prime is 312030111977. The next prime is 312030112001. The reversal of 312030111986 is 689111030213.

It can be written as a sum of positive squares in 2 ways, for example, as 304076147761 + 7953964225 = 551431^2 + 89185^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2689914701 + ... + 2689914816.

Almost surely, 2^312030111986 is an apocalyptic number.

312030111986 is a deficient number, since it is larger than the sum of its proper divisors (172154544634).

312030111986 is a wasteful number, since it uses less digits than its factorization.

312030111986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379829548.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 312030111986 in words is "three hundred twelve billion, thirty million, one hundred eleven thousand, nine hundred eighty-six".