1383690331 has 2 divisors, whose sum is σ = 1383690332. Its totient is φ = 1383690330.

The previous prime is 1383690323. The next prime is 1383690377. The reversal of 1383690331 is 1330963831.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1383690331 - 2³ = 1383690323 is a prime.

It is a super-2 number, since 2×1383690331² = 3829197864205779122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1383690391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691845165 + 691845166.

It is an arithmetic number, because the mean of its divisors is an integer number (691845166).

Almost surely, 2^1383690331 is an apocalyptic number.

1383690331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383690331 is an equidigital number, since it uses as much as digits as its factorization.

1383690331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 1383690331 is about 37197.9882654963. The cubic root of 1383690331 is about 1114.3278086951.

The spelling of 1383690331 in words is "one billion, three hundred eighty-three million, six hundred ninety thousand, three hundred thirty-one".