143031012 has 24 divisors (see below), whose sum is σ = 351304800. Its totient is φ = 45167616.

The previous prime is 143030983. The next prime is 143031061. The reversal of 143031012 is 210130341.

It is a junction number, because it is equal to n+sod(n) for n = 143030982 and 143031000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313437 + ... + 313892.

It is an arithmetic number, because the mean of its divisors is an integer number (14637700).

Almost surely, 2^143031012 is an apocalyptic number.

143031012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143031012 is an abundant number, since it is smaller than the sum of its proper divisors (208273788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143031012 is a wasteful number, since it uses less digits than its factorization.

143031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627355 (or 627353 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 143031012 is about 11959.5573496681. The cubic root of 143031012 is about 522.9699527088.

Adding to 143031012 its reverse (210130341), we get a palindrome (353161353).

The spelling of 143031012 in words is "one hundred forty-three million, thirty-one thousand, twelve".