143472031 has 2 divisors, whose sum is σ = 143472032. Its totient is φ = 143472030.

The previous prime is 143471989. The next prime is 143472053. The reversal of 143472031 is 130274341.

It is a strong prime.

It is an emirp because it is prime and its reverse (130274341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143472031 - 2²¹ = 141374879 is a prime.

It is a super-2 number, since 2×143472031² = 41168447358529922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143471987 and 143472005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143472071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71736015 + 71736016.

It is an arithmetic number, because the mean of its divisors is an integer number (71736016).

Almost surely, 2^143472031 is an apocalyptic number.

143472031 is a deficient number, since it is larger than the sum of its proper divisors (1).

143472031 is an equidigital number, since it uses as much as digits as its factorization.

143472031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 143472031 is about 11977.9810903173. The cubic root of 143472031 is about 523.5069062865.

The spelling of 143472031 in words is "one hundred forty-three million, four hundred seventy-two thousand, thirty-one".