31231232422342 has 16 divisors (see below), whose sum is σ = 48184047671760. Its totient is φ = 15171130005408.

The previous prime is 31231232422319. The next prime is 31231232422387. The reversal of 31231232422342 is 24322423213213.

It is a happy number.

It is a super-4 number, since 4×31231232422342⁴ (a number of 55 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 31231232422298 and 31231232422307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311651292 + ... + 311751487.

It is an arithmetic number, because the mean of its divisors is an integer number (3011502979485).

Almost surely, 2^{31231232422342} is an apocalyptic number.

31231232422342 is a deficient number, since it is larger than the sum of its proper divisors (16952815249418).

31231232422342 is a wasteful number, since it uses less digits than its factorization.

31231232422342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623403495.

The product of its digits is 82944, while the sum is 34.

Adding to 31231232422342 its reverse (24322423213213), we get a palindrome (55553655635555).

The spelling of 31231232422342 in words is "thirty-one trillion, two hundred thirty-one billion, two hundred thirty-two million, four hundred twenty-two thousand, three hundred forty-two".