380845131 has 4 divisors (see below), whose sum is σ = 507793512. Its totient is φ = 253896752.

The previous prime is 380845111. The next prime is 380845159. The reversal of 380845131 is 131548083.

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 380845131 - 2¹¹ = 380843083 is a prime.

It is a super-2 number, since 2×380845131² = 290086027612814322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 380845092 and 380845101.

It is not an unprimeable number, because it can be changed into a prime (380845111) 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, 63474186 + ... + 63474191.

It is an arithmetic number, because the mean of its divisors is an integer number (126948378).

Almost surely, 2^380845131 is an apocalyptic number.

380845131 is a deficient number, since it is larger than the sum of its proper divisors (126948381).

380845131 is a wasteful number, since it uses less digits than its factorization.

380845131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126948380.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 380845131 is about 19515.2538031151. The cubic root of 380845131 is about 724.8522130791.

The spelling of 380845131 in words is "three hundred eighty million, eight hundred forty-five thousand, one hundred thirty-one".