311430242213312 has 56 divisors (see below), whose sum is σ = 650523533331840. Its totient is φ = 147518879512320.

The previous prime is 311430242213309. The next prime is 311430242213317. The reversal of 311430242213312 is 213312242034113.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311430242213317) 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, 322086803 + ... + 323052269.

It is an arithmetic number, because the mean of its divisors is an integer number (11616491666640).

Almost surely, 2^{311430242213312} is an apocalyptic number.

311430242213312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

311430242213312 is an abundant number, since it is smaller than the sum of its proper divisors (339093291118528).

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

311430242213312 is a wasteful number, since it uses less digits than its factorization.

311430242213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230769 (or 1230759 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 311430242213312 its reverse (213312242034113), we get a palindrome (524742484247425).

The spelling of 311430242213312 in words is "three hundred eleven trillion, four hundred thirty billion, two hundred forty-two million, two hundred thirteen thousand, three hundred twelve".