234420031 has 4 divisors (see below), whose sum is σ = 234580864. Its totient is φ = 234259200.

The previous prime is 234420023. The next prime is 234420041. The reversal of 234420031 is 130024432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234420031 - 2³ = 234420023 is a prime.

It is a super-2 number, since 2×234420031² = 109905501868081922, 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 = 234419990 and 234420008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234420041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78210 + ... + 81151.

It is an arithmetic number, because the mean of its divisors is an integer number (58645216).

Almost surely, 2^234420031 is an apocalyptic number.

234420031 is a deficient number, since it is larger than the sum of its proper divisors (160833).

234420031 is a wasteful number, since it uses less digits than its factorization.

234420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160832.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 234420031 is about 15310.7815280605. The cubic root of 234420031 is about 616.5925026303.

Adding to 234420031 its reverse (130024432), we get a palindrome (364444463).

The spelling of 234420031 in words is "two hundred thirty-four million, four hundred twenty thousand, thirty-one".