1002311231213 has 16 divisors (see below), whose sum is σ = 1077322659840. Its totient is φ = 929190237696.

The previous prime is 1002311231203. The next prime is 1002311231239. The reversal of 1002311231213 is 3121321132001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1002311231213 - 2¹⁸ = 1002310969069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002311231203) 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, 1369856 + ... + 1970057.

It is an arithmetic number, because the mean of its divisors is an integer number (67332666240).

Almost surely, 2^{1002311231213} is an apocalyptic number.

It is an amenable number.

1002311231213 is a deficient number, since it is larger than the sum of its proper divisors (75011428627).

1002311231213 is a wasteful number, since it uses less digits than its factorization.

1002311231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340196.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1002311231213 its reverse (3121321132001), we get a palindrome (4123632363214).

The spelling of 1002311231213 in words is "one trillion, two billion, three hundred eleven million, two hundred thirty-one thousand, two hundred thirteen".