234121031 has 4 divisors (see below), whose sum is σ = 242194200. Its totient is φ = 226047864.

The previous prime is 234120967. The next prime is 234121033. The reversal of 234121031 is 130121432.

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 234121031 - 2⁶ = 234120967 is a prime.

It is a super-2 number, since 2×234121031² = 109625314313005922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234121033) 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, 4036541 + ... + 4036598.

It is an arithmetic number, because the mean of its divisors is an integer number (60548550).

Almost surely, 2^234121031 is an apocalyptic number.

234121031 is a deficient number, since it is larger than the sum of its proper divisors (8073169).

234121031 is an equidigital number, since it uses as much as digits as its factorization.

234121031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073168.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 234121031 is about 15301.0140513627. The cubic root of 234121031 is about 616.3302389256.

Adding to 234121031 its reverse (130121432), we get a palindrome (364242463).

The spelling of 234121031 in words is "two hundred thirty-four million, one hundred twenty-one thousand, thirty-one".