31330142234 has 8 divisors (see below), whose sum is σ = 46995965940. Its totient is φ = 15664820256.

The previous prime is 31330142203. The next prime is 31330142287. The reversal of 31330142234 is 43224103313.

It can be written as a sum of positive squares in 2 ways, for example, as 19613162209 + 11716980025 = 140047^2 + 108245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167552 + ... + 301220.

Almost surely, 2^31330142234 is an apocalyptic number.

31330142234 is a deficient number, since it is larger than the sum of its proper divisors (15665823706).

31330142234 is a wasteful number, since it uses less digits than its factorization.

31330142234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250864.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 31330142234 its reverse (43224103313), we get a palindrome (74554245547).

The spelling of 31330142234 in words is "thirty-one billion, three hundred thirty million, one hundred forty-two thousand, two hundred thirty-four".