31133224342442 has 8 divisors (see below), whose sum is σ = 46986338578656. Its totient is φ = 15471111482892.

The previous prime is 31133224342439. The next prime is 31133224342477. The reversal of 31133224342442 is 24424342233113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31133224342396 and 31133224342405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47750343758 + ... + 47750344409.

It is an arithmetic number, because the mean of its divisors is an integer number (5873292322332).

Almost surely, 2^{31133224342442} is an apocalyptic number.

31133224342442 is a deficient number, since it is larger than the sum of its proper divisors (15853114236214).

31133224342442 is a wasteful number, since it uses less digits than its factorization.

31133224342442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95500688332.

The product of its digits is 331776, while the sum is 38.

Adding to 31133224342442 its reverse (24424342233113), we get a palindrome (55557566575555).

The spelling of 31133224342442 in words is "thirty-one trillion, one hundred thirty-three billion, two hundred twenty-four million, three hundred forty-two thousand, four hundred forty-two".