380351931 has 8 divisors (see below), whose sum is σ = 536967504. Its totient is φ = 238652160.

The previous prime is 380351929. The next prime is 380351947. The reversal of 380351931 is 139153083.

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

It is not a de Polignac number, because 380351931 - 2¹ = 380351929 is a prime.

It is a super-2 number, since 2×380351931² = 289335182830857522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 380351892 and 380351901.

It is not an unprimeable number, because it can be changed into a prime (380351921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3728890 + ... + 3728991.

It is an arithmetic number, because the mean of its divisors is an integer number (67120938).

Almost surely, 2^380351931 is an apocalyptic number.

380351931 is a deficient number, since it is larger than the sum of its proper divisors (156615573).

380351931 is a wasteful number, since it uses less digits than its factorization.

380351931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7457901.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 380351931 is about 19502.6134402546. The cubic root of 380351931 is about 724.5391798496.

The spelling of 380351931 in words is "three hundred eighty million, three hundred fifty-one thousand, nine hundred thirty-one".