234143031 has 16 divisors (see below), whose sum is σ = 323205120. Its totient is φ = 150617760.

The previous prime is 234143027. The next prime is 234143033. The reversal of 234143031 is 130341432.

It is not a de Polignac number, because 234143031 - 2² = 234143027 is a prime.

It is a super-2 number, since 2×234143031² = 109645917931733922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234142989 and 234143007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234143033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29881 + ... + 36893.

It is an arithmetic number, because the mean of its divisors is an integer number (20200320).

Almost surely, 2^234143031 is an apocalyptic number.

234143031 is a deficient number, since it is larger than the sum of its proper divisors (89062089).

234143031 is a wasteful number, since it uses less digits than its factorization.

234143031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7406.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 234143031 is about 15301.7329410757. The cubic root of 234143031 is about 616.3495435285.

Adding to 234143031 its reverse (130341432), we get a palindrome (364484463).

The spelling of 234143031 in words is "two hundred thirty-four million, one hundred forty-three thousand, thirty-one".