378235331 has 4 divisors (see below), whose sum is σ = 383023200. Its totient is φ = 373447464.

The previous prime is 378235321. The next prime is 378235343. The reversal of 378235331 is 133532873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378235331 - 2¹⁴ = 378218947 is a prime.

It is a super-3 number, since 3×378235331³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378235291 and 378235300.

It is not an unprimeable number, because it can be changed into a prime (378235321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2393816 + ... + 2393973.

It is an arithmetic number, because the mean of its divisors is an integer number (95755800).

Almost surely, 2^378235331 is an apocalyptic number.

378235331 is a deficient number, since it is larger than the sum of its proper divisors (4787869).

378235331 is an equidigital number, since it uses as much as digits as its factorization.

378235331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787868.

The product of its digits is 45360, while the sum is 35.

The square root of 378235331 is about 19448.2732138357. The cubic root of 378235331 is about 723.1926960586.

The spelling of 378235331 in words is "three hundred seventy-eight million, two hundred thirty-five thousand, three hundred thirty-one".