1023313310121 has 16 divisors (see below), whose sum is σ = 1365310634688. Its totient is φ = 681762542400.

The previous prime is 1023313310053. The next prime is 1023313310141. The reversal of 1023313310121 is 1210133133201.

It is a happy number.

It is not a de Polignac number, because 1023313310121 - 2²² = 1023309115817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023313310141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71950791 + ... + 71965011.

It is an arithmetic number, because the mean of its divisors is an integer number (85331914668).

Almost surely, 2^{1023313310121} is an apocalyptic number.

It is an amenable number.

1023313310121 is a deficient number, since it is larger than the sum of its proper divisors (341997324567).

1023313310121 is a wasteful number, since it uses less digits than its factorization.

1023313310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28232.

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

Adding to 1023313310121 its reverse (1210133133201), we get a palindrome (2233446443322).

The spelling of 1023313310121 in words is "one trillion, twenty-three billion, three hundred thirteen million, three hundred ten thousand, one hundred twenty-one".