1031310213121 has 8 divisors (see below), whose sum is σ = 1064679711488. Its totient is φ = 997947054000.

The previous prime is 1031310213097. The next prime is 1031310213127. The reversal of 1031310213121 is 1213120131301.

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

It is a cyclic number.

It is not a de Polignac number, because 1031310213121 - 2⁹ = 1031310212609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031310213127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253070 + ... + 1905991.

It is an arithmetic number, because the mean of its divisors is an integer number (133084963936).

Almost surely, 2^{1031310213121} is an apocalyptic number.

It is an amenable number.

1031310213121 is a deficient number, since it is larger than the sum of its proper divisors (33369498367).

1031310213121 is a wasteful number, since it uses less digits than its factorization.

1031310213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169623.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1031310213121 its reverse (1213120131301), we get a palindrome (2244430344422).

The spelling of 1031310213121 in words is "one trillion, thirty-one billion, three hundred ten million, two hundred thirteen thousand, one hundred twenty-one".