311234232544 has 48 divisors (see below), whose sum is σ = 663874163568. Its totient is φ = 143057037312.

The previous prime is 311234232541. The next prime is 311234232581. The reversal of 311234232544 is 445232432113.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311234232541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6629187 + ... + 6675970.

It is an arithmetic number, because the mean of its divisors is an integer number (13830711741).

Almost surely, 2^311234232544 is an apocalyptic number.

311234232544 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

311234232544 is an abundant number, since it is smaller than the sum of its proper divisors (352639931024).

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

311234232544 is a wasteful number, since it uses less digits than its factorization.

311234232544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13305227 (or 13305219 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

Adding to 311234232544 its reverse (445232432113), we get a palindrome (756466664657).

The spelling of 311234232544 in words is "three hundred eleven billion, two hundred thirty-four million, two hundred thirty-two thousand, five hundred forty-four".