31222424405042 has 64 divisors (see below), whose sum is σ = 51045127547904. Its totient is φ = 14237416811520.

The previous prime is 31222424405023. The next prime is 31222424405069. The reversal of 31222424405042 is 24050442422213.

It is a junction number, because it is equal to n+sod(n) for n = 31222424404993 and 31222424405011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3906216998 + ... + 3906224990.

It is an arithmetic number, because the mean of its divisors is an integer number (797580117936).

Almost surely, 2^{31222424405042} is an apocalyptic number.

31222424405042 is a deficient number, since it is larger than the sum of its proper divisors (19822703142862).

31222424405042 is a wasteful number, since it uses less digits than its factorization.

31222424405042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13203.

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 31222424405042 its reverse (24050442422213), we get a palindrome (55272866827255).

The spelling of 31222424405042 in words is "thirty-one trillion, two hundred twenty-two billion, four hundred twenty-four million, four hundred five thousand, forty-two".