1382531371 has 24 divisors (see below), whose sum is σ = 1580724720. Its totient is φ = 1205283456.

The previous prime is 1382531351. The next prime is 1382531401. The reversal of 1382531371 is 1731352831.

It is not a de Polignac number, because 1382531371 - 2²¹ = 1380434219 is a prime.

It is a super-2 number, since 2×1382531371² = 3822785983598279282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1382531321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1788141 + ... + 1788913.

It is an arithmetic number, because the mean of its divisors is an integer number (65863530).

Almost surely, 2^1382531371 is an apocalyptic number.

1382531371 is a deficient number, since it is larger than the sum of its proper divisors (198193349).

1382531371 is a wasteful number, since it uses less digits than its factorization.

1382531371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375 (or 1362 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 1382531371 is about 37182.4067402851. The cubic root of 1382531371 is about 1114.0166065747.

The spelling of 1382531371 in words is "one billion, three hundred eighty-two million, five hundred thirty-one thousand, three hundred seventy-one".