1020233312317 has 2 divisors, whose sum is σ = 1020233312318. Its totient is φ = 1020233312316.

The previous prime is 1020233312291. The next prime is 1020233312321. The reversal of 1020233312317 is 7132133320201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 611220621636 + 409012690681 = 781806^2 + 639541^2 .

It is an emirp because it is prime and its reverse (7132133320201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020233312317 - 2²³ = 1020224923709 is a prime.

It is a super-2 number, since 2×1020233312317² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020233312017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510116656158 + 510116656159.

It is an arithmetic number, because the mean of its divisors is an integer number (510116656159).

Almost surely, 2^{1020233312317} is an apocalyptic number.

It is an amenable number.

1020233312317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020233312317 is an equidigital number, since it uses as much as digits as its factorization.

1020233312317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 1020233312317 its reverse (7132133320201), we get a palindrome (8152366632518).

The spelling of 1020233312317 in words is "one trillion, twenty billion, two hundred thirty-three million, three hundred twelve thousand, three hundred seventeen".