31214421444242 has 64 divisors (see below), whose sum is σ = 48876736634880. Its totient is φ = 14934137702400.

The previous prime is 31214421444197. The next prime is 31214421444289. The reversal of 31214421444242 is 24244412441213.

It is a super-2 number, since 2×31214421444242² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31214421444196 and 31214421444205.

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, 9287240642 + ... + 9287244002.

It is an arithmetic number, because the mean of its divisors is an integer number (763699009920).

Almost surely, 2^{31214421444242} is an apocalyptic number.

31214421444242 is a deficient number, since it is larger than the sum of its proper divisors (17662315190638).

31214421444242 is a wasteful number, since it uses less digits than its factorization.

31214421444242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947.

The product of its digits is 196608, while the sum is 38.

Adding to 31214421444242 its reverse (24244412441213), we get a palindrome (55458833885455).

The spelling of 31214421444242 in words is "thirty-one trillion, two hundred fourteen billion, four hundred twenty-one million, four hundred forty-four thousand, two hundred forty-two".