143031002 has 4 divisors (see below), whose sum is σ = 214546506. Its totient is φ = 71515500.

The previous prime is 143030983. The next prime is 143031061. The reversal of 143031002 is 200130341.

143031002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200130341 = 17 ⋅11772373.

It can be written as a sum of positive squares in only one way, i.e., 76755121 + 66275881 = 8761^2 + 8141^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35757749 + ... + 35757752.

Almost surely, 2^143031002 is an apocalyptic number.

143031002 is a deficient number, since it is larger than the sum of its proper divisors (71515504).

143031002 is an equidigital number, since it uses as much as digits as its factorization.

143031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71515503.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 143031002 is about 11959.5569315924. The cubic root of 143031002 is about 522.9699405210.

Adding to 143031002 its reverse (200130341), we get a palindrome (343161343).

The spelling of 143031002 in words is "one hundred forty-three million, thirty-one thousand, two".