383231320331 has 8 divisors (see below), whose sum is σ = 405838627344. Its totient is φ = 360631156480.

The previous prime is 383231320327. The next prime is 383231320343. The reversal of 383231320331 is 133023132383.

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

It is not a de Polignac number, because 383231320331 - 2² = 383231320327 is a prime.

It is a super-2 number, since 2×383231320331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (383231820331) 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, 1675130 + ... + 1890111.

It is an arithmetic number, because the mean of its divisors is an integer number (50729828418).

Almost surely, 2^383231320331 is an apocalyptic number.

383231320331 is a deficient number, since it is larger than the sum of its proper divisors (22607307013).

383231320331 is a wasteful number, since it uses less digits than its factorization.

383231320331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571581.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 383231320331 in words is "three hundred eighty-three billion, two hundred thirty-one million, three hundred twenty thousand, three hundred thirty-one".