234421031 has 16 divisors (see below), whose sum is σ = 269401440. Its totient is φ = 202176000.

The previous prime is 234421027. The next prime is 234421043. The reversal of 234421031 is 130124432.

It is not a de Polignac number, because 234421031 - 2² = 234421027 is a prime.

It is a super-2 number, since 2×234421031² = 109906439550205922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234420994 and 234421012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234421001) 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, 11531 + ... + 24531.

It is an arithmetic number, because the mean of its divisors is an integer number (16837590).

Almost surely, 2^234421031 is an apocalyptic number.

234421031 is a deficient number, since it is larger than the sum of its proper divisors (34980409).

234421031 is a wasteful number, since it uses less digits than its factorization.

234421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13106.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 234421031 is about 15310.8141847519. The cubic root of 234421031 is about 616.5933793922.

Adding to 234421031 its reverse (130124432), we get a palindrome (364545463).

The spelling of 234421031 in words is "two hundred thirty-four million, four hundred twenty-one thousand, thirty-one".