31302013310121 has 8 divisors (see below), whose sum is σ = 42864018226624. Its totient is φ = 20304008633520.

The previous prime is 31302013310053. The next prime is 31302013310171. The reversal of 31302013310121 is 12101331020313.

It is a happy number.

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

It is not a de Polignac number, because 31302013310121 - 2⁷ = 31302013309993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31302013310171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141000059845 + ... + 141000060066.

It is an arithmetic number, because the mean of its divisors is an integer number (5358002278328).

Almost surely, 2^{31302013310121} is an apocalyptic number.

It is an amenable number.

31302013310121 is a deficient number, since it is larger than the sum of its proper divisors (11562004916503).

31302013310121 is a wasteful number, since it uses less digits than its factorization.

31302013310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282000119951.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31302013310121 its reverse (12101331020313), we get a palindrome (43403344330434).

The spelling of 31302013310121 in words is "thirty-one trillion, three hundred two billion, thirteen million, three hundred ten thousand, one hundred twenty-one".