1012321231313 has 4 divisors (see below), whose sum is σ = 1156938550080. Its totient is φ = 867703912548.

The previous prime is 1012321231261. The next prime is 1012321231367. The reversal of 1012321231313 is 3131321232101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012321231313 - 2⁸ = 1012321231057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012321231013) 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 3 ways as a sum of consecutive naturals, for example, 72308659373 + ... + 72308659386.

It is an arithmetic number, because the mean of its divisors is an integer number (289234637520).

Almost surely, 2^{1012321231313} is an apocalyptic number.

It is an amenable number.

1012321231313 is a deficient number, since it is larger than the sum of its proper divisors (144617318767).

1012321231313 is an equidigital number, since it uses as much as digits as its factorization.

1012321231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144617318766.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1012321231313 its reverse (3131321232101), we get a palindrome (4143642463414).

The spelling of 1012321231313 in words is "one trillion, twelve billion, three hundred twenty-one million, two hundred thirty-one thousand, three hundred thirteen".