34311321212 has 24 divisors (see below), whose sum is σ = 68689259520. Its totient is φ = 14690576880.

The previous prime is 34311321211. The next prime is 34311321283. The reversal of 34311321212 is 21212311343.

It is a super-2 number, since 2×34311321212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34311321211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565412 + ... + 623147.

It is an arithmetic number, because the mean of its divisors is an integer number (2862052480).

Almost surely, 2^34311321212 is an apocalyptic number.

It is an amenable number.

34311321212 is an abundant number, since it is smaller than the sum of its proper divisors (34377938308).

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

34311321212 is a wasteful number, since it uses less digits than its factorization.

34311321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189601 (or 1189599 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 34311321212 its reverse (21212311343), we get a palindrome (55523632555).

The spelling of 34311321212 in words is "thirty-four billion, three hundred eleven million, three hundred twenty-one thousand, two hundred twelve".