31231466342 has 4 divisors (see below), whose sum is σ = 46847199516. Its totient is φ = 15615733170.

The previous prime is 31231466323. The next prime is 31231466381. The reversal of 31231466342 is 24366413213.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7807866584 + ... + 7807866587.

It is an arithmetic number, because the mean of its divisors is an integer number (11711799879).

Almost surely, 2^31231466342 is an apocalyptic number.

31231466342 is a deficient number, since it is larger than the sum of its proper divisors (15615733174).

31231466342 is a wasteful number, since it uses less digits than its factorization.

31231466342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15615733173.

The product of its digits is 62208, while the sum is 35.

Adding to 31231466342 its reverse (24366413213), we get a palindrome (55597879555).

The spelling of 31231466342 in words is "thirty-one billion, two hundred thirty-one million, four hundred sixty-six thousand, three hundred forty-two".