1230311311986 has 16 divisors (see below), whose sum is σ = 2468534597568. Its totient is φ = 408785108400.

The previous prime is 1230311311973. The next prime is 1230311312059. The reversal of 1230311311986 is 6891131130321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329663545 + ... + 329667276.

It is an arithmetic number, because the mean of its divisors is an integer number (154283412348).

Almost surely, 2^{1230311311986} is an apocalyptic number.

1230311311986 is an abundant number, since it is smaller than the sum of its proper divisors (1238223285582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230311311986 is a wasteful number, since it uses less digits than its factorization.

1230311311986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659331137.

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 1230311311986 in words is "one trillion, two hundred thirty billion, three hundred eleven million, three hundred eleven thousand, nine hundred eighty-six".