1283783131 has 2 divisors, whose sum is σ = 1283783132. Its totient is φ = 1283783130.

The previous prime is 1283783099. The next prime is 1283783147. The reversal of 1283783131 is 1313873821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1283783131 - 2⁵ = 1283783099 is a prime.

It is a super-2 number, since 2×1283783131² = 3296198254880326322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1283780131) 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 as a sum of consecutive naturals, namely, 641891565 + 641891566.

It is an arithmetic number, because the mean of its divisors is an integer number (641891566).

Almost surely, 2^1283783131 is an apocalyptic number.

1283783131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283783131 is an equidigital number, since it uses as much as digits as its factorization.

1283783131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 1283783131 is about 35829.9194947463. The cubic root of 1283783131 is about 1086.8356817519.

The spelling of 1283783131 in words is "one billion, two hundred eighty-three million, seven hundred eighty-three thousand, one hundred thirty-one".