379812131 has 2 divisors, whose sum is σ = 379812132. Its totient is φ = 379812130.

The previous prime is 379812119. The next prime is 379812149. The reversal of 379812131 is 131218973.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379812131 is a prime.

It is a super-2 number, since 2×379812131² = 288514509709522322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 379812091 and 379812100.

It is not a weakly prime, because it can be changed into another prime (379812161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189906065 + 189906066.

It is an arithmetic number, because the mean of its divisors is an integer number (189906066).

Almost surely, 2^379812131 is an apocalyptic number.

379812131 is a deficient number, since it is larger than the sum of its proper divisors (1).

379812131 is an equidigital number, since it uses as much as digits as its factorization.

379812131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 35.

The square root of 379812131 is about 19488.7693557084. The cubic root of 379812131 is about 724.1962593556.

The spelling of 379812131 in words is "three hundred seventy-nine million, eight hundred twelve thousand, one hundred thirty-one".