1383831213 has 8 divisors (see below), whose sum is σ = 1847060448. Its totient is φ = 921578064.

The previous prime is 1383831209. The next prime is 1383831223. The reversal of 1383831213 is 3121383831.

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

It is not a de Polignac number, because 1383831213 - 2² = 1383831209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383831223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240706 + ... + 246387.

It is an arithmetic number, because the mean of its divisors is an integer number (230882556).

Almost surely, 2^1383831213 is an apocalyptic number.

It is an amenable number.

1383831213 is a deficient number, since it is larger than the sum of its proper divisors (463229235).

1383831213 is an equidigital number, since it uses as much as digits as its factorization.

1383831213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488043.

The product of its digits is 10368, while the sum is 33.

The square root of 1383831213 is about 37199.8818949738. The cubic root of 1383831213 is about 1114.3656262615.

The spelling of 1383831213 in words is "one billion, three hundred eighty-three million, eight hundred thirty-one thousand, two hundred thirteen".