31430616232442 has 16 divisors (see below), whose sum is σ = 53881159364352. Its totient is φ = 13470238358160.

The previous prime is 31430616232387. The next prime is 31430616232451. The reversal of 31430616232442 is 24423261603413.

It is a self number, because there is not a number n which added to its sum of digits gives 31430616232442.

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, 6700328 + ... + 10380540.

It is an arithmetic number, because the mean of its divisors is an integer number (3367572460272).

Almost surely, 2^{31430616232442} is an apocalyptic number.

31430616232442 is a deficient number, since it is larger than the sum of its proper divisors (22450543131910).

31430616232442 is a wasteful number, since it uses less digits than its factorization.

31430616232442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290253.

The product of its (nonzero) digits is 497664, while the sum is 41.

Adding to 31430616232442 its reverse (24423261603413), we get a palindrome (55853877835855).

The spelling of 31430616232442 in words is "thirty-one trillion, four hundred thirty billion, six hundred sixteen million, two hundred thirty-two thousand, four hundred forty-two".