31242110144122 has 8 divisors (see below), whose sum is σ = 48006169245972. Its totient is φ = 15240053728800.

The previous prime is 31242110144117. The next prime is 31242110144171. The reversal of 31242110144122 is 22144101124213.

It can be written as a sum of positive squares in 2 ways, for example, as 25861282989201 + 5380827154921 = 5085399^2 + 2319661^2 .

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

It is a super-2 number, since 2×31242110144122² (a number of 28 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 190500671529 + ... + 190500671692.

Almost surely, 2^{31242110144122} is an apocalyptic number.

31242110144122 is a deficient number, since it is larger than the sum of its proper divisors (16764059101850).

31242110144122 is a wasteful number, since it uses less digits than its factorization.

31242110144122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381001343264.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 31242110144122 its reverse (22144101124213), we get a palindrome (53386211268335).

The spelling of 31242110144122 in words is "thirty-one trillion, two hundred forty-two billion, one hundred ten million, one hundred forty-four thousand, one hundred twenty-two".