1382831377 has 8 divisors (see below), whose sum is σ = 1437319296. Its totient is φ = 1329244272.

The previous prime is 1382831371. The next prime is 1382831383. The reversal of 1382831377 is 7731382831.

It is an interprime number because it is at equal distance from previous prime (1382831371) and next prime (1382831383).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382831377 is a prime.

It is a super-2 number, since 2×1382831377² = 3824445234431432258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1382831371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222073 + ... + 228214.

It is an arithmetic number, because the mean of its divisors is an integer number (179664912).

Almost surely, 2^1382831377 is an apocalyptic number.

It is an amenable number.

1382831377 is a deficient number, since it is larger than the sum of its proper divisors (54487919).

1382831377 is an equidigital number, since it uses as much as digits as its factorization.

1382831377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450407.

The product of its digits is 169344, while the sum is 43.

The square root of 1382831377 is about 37186.4407681079. The cubic root of 1382831377 is about 1114.0971803930.

The spelling of 1382831377 in words is "one billion, three hundred eighty-two million, eight hundred thirty-one thousand, three hundred seventy-seven".