1383883731 has 32 divisors (see below), whose sum is σ = 2114380800. Its totient is φ = 893916000.

The previous prime is 1383883723. The next prime is 1383883733. The reversal of 1383883731 is 1373883831.

It is not a de Polignac number, because 1383883731 - 2³ = 1383883723 is a prime.

It is a super-2 number, since 2×1383883731² = 3830268361852960722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1383883733) 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 31 ways as a sum of consecutive naturals, for example, 247990 + ... + 253508.

It is an arithmetic number, because the mean of its divisors is an integer number (66074400).

Almost surely, 2^1383883731 is an apocalyptic number.

1383883731 is a deficient number, since it is larger than the sum of its proper divisors (730497069).

1383883731 is a wasteful number, since it uses less digits than its factorization.

1383883731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816 (or 5810 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1383883731 is about 37200.5877776145. The cubic root of 1383883731 is about 1114.3797232393.

The spelling of 1383883731 in words is "one billion, three hundred eighty-three million, eight hundred eighty-three thousand, seven hundred thirty-one".