231507252341 has 4 divisors (see below), whose sum is σ = 231833779500. Its totient is φ = 231180725184.

The previous prime is 231507252337. The next prime is 231507252343. The reversal of 231507252341 is 143252705132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 95571249316 + 135936003025 = 309146^2 + 368695^2 .

It is a cyclic number.

It is not a de Polignac number, because 231507252341 - 2² = 231507252337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231507252343) 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, 163262516 + ... + 163263933.

It is an arithmetic number, because the mean of its divisors is an integer number (57958444875).

Almost surely, 2^231507252341 is an apocalyptic number.

It is an amenable number.

231507252341 is a deficient number, since it is larger than the sum of its proper divisors (326527159).

231507252341 is an equidigital number, since it uses as much as digits as its factorization.

231507252341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326527158.

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 231507252341 its reverse (143252705132), we get a palindrome (374759957473).

The spelling of 231507252341 in words is "two hundred thirty-one billion, five hundred seven million, two hundred fifty-two thousand, three hundred forty-one".