1283131317 has 12 divisors (see below), whose sum is σ = 1852569024. Its totient is φ = 789618960.

The previous prime is 1283131259. The next prime is 1283131331. The reversal of 1283131317 is 7131313821.

It is not a de Polignac number, because 1283131317 - 2¹¹ = 1283129269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283131387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1264909 + ... + 1265922.

It is an arithmetic number, because the mean of its divisors is an integer number (154380752).

Almost surely, 2^1283131317 is an apocalyptic number.

It is an amenable number.

1283131317 is a deficient number, since it is larger than the sum of its proper divisors (569437707).

1283131317 is a wasteful number, since it uses less digits than its factorization.

1283131317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530860 (or 2530847 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 1283131317 is about 35820.8223942444. The cubic root of 1283131317 is about 1086.6517112603.

The spelling of 1283131317 in words is "one billion, two hundred eighty-three million, one hundred thirty-one thousand, three hundred seventeen".