31243414421242 has 16 divisors (see below), whose sum is σ = 47430244465632. Its totient is φ = 15433336764720.

The previous prime is 31243414421189. The next prime is 31243414421273. The reversal of 31243414421242 is 24212441434213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16335892 + ... + 18147952.

It is an arithmetic number, because the mean of its divisors is an integer number (2964390279102).

Almost surely, 2^{31243414421242} is an apocalyptic number.

31243414421242 is a deficient number, since it is larger than the sum of its proper divisors (16186830044390).

31243414421242 is a wasteful number, since it uses less digits than its factorization.

31243414421242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916013.

The product of its digits is 147456, while the sum is 37.

Adding to 31243414421242 its reverse (24212441434213), we get a palindrome (55455855855455).

The spelling of 31243414421242 in words is "thirty-one trillion, two hundred forty-three billion, four hundred fourteen million, four hundred twenty-one thousand, two hundred forty-two".