1283831115 has 48 divisors (see below), whose sum is σ = 2399362560. Its totient is φ = 584472000.

The previous prime is 1283831113. The next prime is 1283831123. The reversal of 1283831115 is 5111383821.

It is not a de Polignac number, because 1283831115 - 2¹ = 1283831113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1283831113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181006 + ... + 187964.

It is an arithmetic number, because the mean of its divisors is an integer number (49986720).

Almost surely, 2^1283831115 is an apocalyptic number.

1283831115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1283831115 is a deficient number, since it is larger than the sum of its proper divisors (1115531445).

1283831115 is a wasteful number, since it uses less digits than its factorization.

1283831115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232 (or 7225 counting only the distinct ones).

The product of its digits is 5760, while the sum is 33.

The square root of 1283831115 is about 35830.5890964690. The cubic root of 1283831115 is about 1086.8492224797.

The spelling of 1283831115 in words is "one billion, two hundred eighty-three million, eight hundred thirty-one thousand, one hundred fifteen".