143231314 has 4 divisors (see below), whose sum is σ = 214846974. Its totient is φ = 71615656.

The previous prime is 143231279. The next prime is 143231369. The reversal of 143231314 is 413132341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 413132341 = 971 ⋅425471.

It can be written as a sum of positive squares in only one way, i.e., 93993025 + 49238289 = 9695^2 + 7017^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35807827 + ... + 35807830.

Almost surely, 2^143231314 is an apocalyptic number.

143231314 is a deficient number, since it is larger than the sum of its proper divisors (71615660).

143231314 is an equidigital number, since it uses as much as digits as its factorization.

143231314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71615659.

The product of its digits is 864, while the sum is 22.

The square root of 143231314 is about 11967.9285592788. The cubic root of 143231314 is about 523.2139628841.

Adding to 143231314 its reverse (413132341), we get a palindrome (556363655).

The spelling of 143231314 in words is "one hundred forty-three million, two hundred thirty-one thousand, three hundred fourteen".