34431420142 has 16 divisors (see below), whose sum is σ = 59028576480. Its totient is φ = 14755501728.

The previous prime is 34431420139. The next prime is 34431420157. The reversal of 34431420142 is 24102413443.

It is a self number, because there is not a number n which added to its sum of digits gives 34431420142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240084 + ... + 355672.

It is an arithmetic number, because the mean of its divisors is an integer number (3689286030).

Almost surely, 2^34431420142 is an apocalyptic number.

34431420142 is a deficient number, since it is larger than the sum of its proper divisors (24597156338).

34431420142 is a wasteful number, since it uses less digits than its factorization.

34431420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136875.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 34431420142 its reverse (24102413443), we get a palindrome (58533833585).

The spelling of 34431420142 in words is "thirty-four billion, four hundred thirty-one million, four hundred twenty thousand, one hundred forty-two".