234521035231 has 4 divisors (see below), whose sum is σ = 268024040272. Its totient is φ = 201018030192.

The previous prime is 234521035219. The next prime is 234521035241. The reversal of 234521035231 is 132530125432.

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

It is not a de Polignac number, because 234521035231 - 2⁷ = 234521035103 is a prime.

It is a super-2 number, since 2×234521035231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234521035193 and 234521035202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234521035241) 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, 16751502510 + ... + 16751502523.

It is an arithmetic number, because the mean of its divisors is an integer number (67006010068).

Almost surely, 2^234521035231 is an apocalyptic number.

234521035231 is a deficient number, since it is larger than the sum of its proper divisors (33503005041).

234521035231 is an equidigital number, since it uses as much as digits as its factorization.

234521035231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33503005040.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 234521035231 in words is "two hundred thirty-four billion, five hundred twenty-one million, thirty-five thousand, two hundred thirty-one".