34431212140 has 96 divisors (see below), whose sum is σ = 86787529920. Its totient is φ = 11335458816.

The previous prime is 34431212131. The next prime is 34431212177. The reversal of 34431212140 is 4121213443.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121017 + ... + 288976.

It is an arithmetic number, because the mean of its divisors is an integer number (904036770).

Almost surely, 2^34431212140 is an apocalyptic number.

It is an amenable number.

34431212140 is an abundant number, since it is smaller than the sum of its proper divisors (52356317780).

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

34431212140 is a wasteful number, since it uses less digits than its factorization.

34431212140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410051 (or 410049 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 34431212140 its reverse (4121213443), we get a palindrome (38552425583).

The spelling of 34431212140 in words is "thirty-four billion, four hundred thirty-one million, two hundred twelve thousand, one hundred forty".