34131221240 has 32 divisors (see below), whose sum is σ = 77540842080. Its totient is φ = 13519938432.

The previous prime is 34131221221. The next prime is 34131221263. The reversal of 34131221240 is 4212213143.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4138019 + ... + 4146258.

It is an arithmetic number, because the mean of its divisors is an integer number (2423151315).

Almost surely, 2^34131221240 is an apocalyptic number.

It is an amenable number.

34131221240 is an abundant number, since it is smaller than the sum of its proper divisors (43409620840).

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

34131221240 is a wasteful number, since it uses less digits than its factorization.

34131221240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8284391 (or 8284387 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 34131221240 its reverse (4212213143), we get a palindrome (38343434383).

The spelling of 34131221240 in words is "thirty-four billion, one hundred thirty-one million, two hundred twenty-one thousand, two hundred forty".