34155223211320 has 64 divisors (see below), whose sum is σ = 80198439552000. Its totient is φ = 13066795471488.

The previous prime is 34155223211311. The next prime is 34155223211323. The reversal of 34155223211320 is 2311232255143.

It is a super-2 number, since 2×34155223211320² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34155223211323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7519071 + ... + 11173489.

It is an arithmetic number, because the mean of its divisors is an integer number (1253100618000).

Almost surely, 2^{34155223211320} is an apocalyptic number.

It is an amenable number.

34155223211320 is an abundant number, since it is smaller than the sum of its proper divisors (46043216340680).

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

34155223211320 is a wasteful number, since it uses less digits than its factorization.

34155223211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664612 (or 3664608 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 34155223211320 its reverse (2311232255143), we get a palindrome (36466455466463).

The spelling of 34155223211320 in words is "thirty-four trillion, one hundred fifty-five billion, two hundred twenty-three million, two hundred eleven thousand, three hundred twenty".