1283111283 has 6 divisors (see below), whose sum is σ = 1710897772. Its totient is φ = 855366160.

The previous prime is 1283111279. The next prime is 1283111339. The reversal of 1283111283 is 3821113821.

It is not a de Polignac number, because 1283111283 - 2² = 1283111279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1283111283.

It is not an unprimeable number, because it can be changed into a prime (1283111083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51703 + ... + 72383.

Almost surely, 2^1283111283 is an apocalyptic number.

1283111283 is a deficient number, since it is larger than the sum of its proper divisors (427786489).

1283111283 is an frugal number, since it uses more digits than its factorization.

1283111283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41365 (or 20684 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 1283111283 is about 35820.5427513320. The cubic root of 1283111283 is about 1086.6460558003.

The spelling of 1283111283 in words is "one billion, two hundred eighty-three million, one hundred eleven thousand, two hundred eighty-three".