31344234330 has 64 divisors (see below), whose sum is σ = 79743191040. Its totient is φ = 7857705984.

The previous prime is 31344234221. The next prime is 31344234367. The reversal of 31344234330 is 3343244313.

It is a super-2 number, since 2×31344234330² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412231 + ... + 482309.

It is an arithmetic number, because the mean of its divisors is an integer number (1245987360).

Almost surely, 2^31344234330 is an apocalyptic number.

31344234330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31344234330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39871595520).

31344234330 is an abundant number, since it is smaller than the sum of its proper divisors (48398956710).

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

31344234330 is a wasteful number, since it uses less digits than its factorization.

31344234330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70983.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 31344234330 its reverse (3343244313), we get a palindrome (34687478643).

The spelling of 31344234330 in words is "thirty-one billion, three hundred forty-four million, two hundred thirty-four thousand, three hundred thirty".