1231430014 has 16 divisors (see below), whose sum is σ = 1946350800. Its totient is φ = 582712704.

The previous prime is 1231430009. The next prime is 1231430017. The reversal of 1231430014 is 4100341321.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1231429973 and 1231430000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231430017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22284 + ... + 54400.

It is an arithmetic number, because the mean of its divisors is an integer number (121646925).

Almost surely, 2^1231430014 is an apocalyptic number.

1231430014 is a deficient number, since it is larger than the sum of its proper divisors (714920786).

1231430014 is a wasteful number, since it uses less digits than its factorization.

1231430014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33147.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1231430014 is about 35091.7371185868. The cubic root of 1231430014 is about 1071.8563327323.

Adding to 1231430014 its reverse (4100341321), we get a palindrome (5331771335).

The spelling of 1231430014 in words is "one billion, two hundred thirty-one million, four hundred thirty thousand, fourteen".