231045520141 has 2 divisors, whose sum is σ = 231045520142. Its totient is φ = 231045520140.

The previous prime is 231045520117. The next prime is 231045520171. The reversal of 231045520141 is 141025540132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188200660041 + 42844860100 = 433821^2 + 206990^2 .

It is a cyclic number.

It is not a de Polignac number, because 231045520141 - 2⁵ = 231045520109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231045520171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115522760070 + 115522760071.

It is an arithmetic number, because the mean of its divisors is an integer number (115522760071).

Almost surely, 2^231045520141 is an apocalyptic number.

It is an amenable number.

231045520141 is a deficient number, since it is larger than the sum of its proper divisors (1).

231045520141 is an equidigital number, since it uses as much as digits as its factorization.

231045520141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 231045520141 in words is "two hundred thirty-one billion, forty-five million, five hundred twenty thousand, one hundred forty-one".