234561031 has 4 divisors (see below), whose sum is σ = 235051200. Its totient is φ = 234070864.

The previous prime is 234561017. The next prime is 234561059. The reversal of 234561031 is 130165432.

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 234561031 - 2¹¹ = 234558983 is a prime.

It is a super-2 number, since 2×234561031² = 110037754527565922, 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 = 234560987 and 234561005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234561331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244366 + ... + 245323.

It is an arithmetic number, because the mean of its divisors is an integer number (58762800).

Almost surely, 2^234561031 is an apocalyptic number.

234561031 is a deficient number, since it is larger than the sum of its proper divisors (490169).

234561031 is an equidigital number, since it uses as much as digits as its factorization.

234561031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490168.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 234561031 is about 15315.3854342618. The cubic root of 234561031 is about 616.7161014505.

The spelling of 234561031 in words is "two hundred thirty-four million, five hundred sixty-one thousand, thirty-one".