34231220642 has 4 divisors (see below), whose sum is σ = 51346830966. Its totient is φ = 17115610320.

The previous prime is 34231220633. The next prime is 34231220687. The reversal of 34231220642 is 24602213243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24602213243 = 15739 ⋅1563137.

It can be written as a sum of positive squares in only one way, i.e., 30835711201 + 3395509441 = 175601^2 + 58271^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8557805159 + ... + 8557805162.

Almost surely, 2^34231220642 is an apocalyptic number.

34231220642 is a deficient number, since it is larger than the sum of its proper divisors (17115610324).

34231220642 is a wasteful number, since it uses less digits than its factorization.

34231220642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17115610323.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 34231220642 its reverse (24602213243), we get a palindrome (58833433885).

The spelling of 34231220642 in words is "thirty-four billion, two hundred thirty-one million, two hundred twenty thousand, six hundred forty-two".