143031131211 has 24 divisors (see below), whose sum is σ = 196058373456. Its totient is φ = 92749224960.

The previous prime is 143031131207. The next prime is 143031131219. The reversal of 143031131211 is 112131130341.

It is not a de Polignac number, because 143031131211 - 2² = 143031131207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143031131219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1283331 + ... + 1390323.

It is an arithmetic number, because the mean of its divisors is an integer number (8169098894).

Almost surely, 2^143031131211 is an apocalyptic number.

143031131211 is a deficient number, since it is larger than the sum of its proper divisors (53027242245).

143031131211 is a wasteful number, since it uses less digits than its factorization.

143031131211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107323 (or 107280 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 143031131211 its reverse (112131130341), we get a palindrome (255162261552).

The spelling of 143031131211 in words is "one hundred forty-three billion, thirty-one million, one hundred thirty-one thousand, two hundred eleven".