1012311010321 has 16 divisors (see below), whose sum is σ = 1149468624640. Its totient is φ = 883786723200.

The previous prime is 1012311010309. The next prime is 1012311010331. The reversal of 1012311010321 is 1230101132101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1012311010321 - 2¹⁷ = 1012310879249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012311010295 and 1012311010304.

It is not an unprimeable number, because it can be changed into a prime (1012311010331) 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, 3261225 + ... + 3558118.

It is an arithmetic number, because the mean of its divisors is an integer number (71841789040).

Almost surely, 2^{1012311010321} is an apocalyptic number.

It is an amenable number.

1012311010321 is a deficient number, since it is larger than the sum of its proper divisors (137157614319).

1012311010321 is a wasteful number, since it uses less digits than its factorization.

1012311010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819976.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1012311010321 its reverse (1230101132101), we get a palindrome (2242412142422).

The spelling of 1012311010321 in words is "one trillion, twelve billion, three hundred eleven million, ten thousand, three hundred twenty-one".