311430230432312 has 8 divisors (see below), whose sum is σ = 583931682060600. Its totient is φ = 155715115216152.

The previous prime is 311430230432309. The next prime is 311430230432323. The reversal of 311430230432312 is 213234032034113.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19464389402012 + ... + 19464389402027.

It is an arithmetic number, because the mean of its divisors is an integer number (72991460257575).

Almost surely, 2^{311430230432312} is an apocalyptic number.

It is an amenable number.

311430230432312 is a deficient number, since it is larger than the sum of its proper divisors (272501451628288).

311430230432312 is a wasteful number, since it uses less digits than its factorization.

311430230432312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38928778804045 (or 38928778804041 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 311430230432312 its reverse (213234032034113), we get a palindrome (524664262466425).

The spelling of 311430230432312 in words is "three hundred eleven trillion, four hundred thirty billion, two hundred thirty million, four hundred thirty-two thousand, three hundred twelve".