1231411834 has 4 divisors (see below), whose sum is σ = 1847117754. Its totient is φ = 615705916.

The previous prime is 1231411829. The next prime is 1231411843. The reversal of 1231411834 is 4381141321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4381141321 = 40499 ⋅108179.

It can be written as a sum of positive squares in only one way, i.e., 1069486209 + 161925625 = 32703^2 + 12725^2 .

It is an unprimeable number.

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, 307852957 + ... + 307852960.

Almost surely, 2^1231411834 is an apocalyptic number.

1231411834 is a deficient number, since it is larger than the sum of its proper divisors (615705920).

1231411834 is an equidigital number, since it uses as much as digits as its factorization.

1231411834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615705919.

The product of its digits is 2304, while the sum is 28.

The square root of 1231411834 is about 35091.4780822923. The cubic root of 1231411834 is about 1071.8510579856.

The spelling of 1231411834 in words is "one billion, two hundred thirty-one million, four hundred eleven thousand, eight hundred thirty-four".