231021341 has 4 divisors (see below), whose sum is σ = 232297884. Its totient is φ = 229744800.

The previous prime is 231021317. The next prime is 231021353. The reversal of 231021341 is 143120132.

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 12602500 + 218418841 = 3550^2 + 14779^2 .

It is a cyclic number.

It is not a de Polignac number, because 231021341 - 2⁶ = 231021277 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 (231023341) 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, 638000 + ... + 638361.

It is an arithmetic number, because the mean of its divisors is an integer number (58074471).

Almost surely, 2^231021341 is an apocalyptic number.

It is an amenable number.

231021341 is a deficient number, since it is larger than the sum of its proper divisors (1276543).

231021341 is a wasteful number, since it uses less digits than its factorization.

231021341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276542.

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

The square root of 231021341 is about 15199.3862047123. The cubic root of 231021341 is about 613.5981386147.

Adding to 231021341 its reverse (143120132), we get a palindrome (374141473).

The spelling of 231021341 in words is "two hundred thirty-one million, twenty-one thousand, three hundred forty-one".