380657131 has 2 divisors, whose sum is σ = 380657132. Its totient is φ = 380657130.

The previous prime is 380657093. The next prime is 380657143. The reversal of 380657131 is 131756083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 380657131 - 2¹⁹ = 380132843 is a prime.

It is a super-2 number, since 2×380657131² = 289799702762302322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (380657731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190328565 + 190328566.

It is an arithmetic number, because the mean of its divisors is an integer number (190328566).

Almost surely, 2^380657131 is an apocalyptic number.

380657131 is a deficient number, since it is larger than the sum of its proper divisors (1).

380657131 is an equidigital number, since it uses as much as digits as its factorization.

380657131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 380657131 is about 19510.4364635956. The cubic root of 380657131 is about 724.7329216802.

The spelling of 380657131 in words is "three hundred eighty million, six hundred fifty-seven thousand, one hundred thirty-one".