231141760309 has 2 divisors, whose sum is σ = 231141760310. Its totient is φ = 231141760308.

The previous prime is 231141760253. The next prime is 231141760349. The reversal of 231141760309 is 903067141132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217650240900 + 13491519409 = 466530^2 + 116153^2 .

It is a cyclic number.

It is not a de Polignac number, because 231141760309 - 2²⁷ = 231007542581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231141760349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115570880154 + 115570880155.

It is an arithmetic number, because the mean of its divisors is an integer number (115570880155).

Almost surely, 2^231141760309 is an apocalyptic number.

It is an amenable number.

231141760309 is a deficient number, since it is larger than the sum of its proper divisors (1).

231141760309 is an equidigital number, since it uses as much as digits as its factorization.

231141760309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 231141760309 in words is "two hundred thirty-one billion, one hundred forty-one million, seven hundred sixty thousand, three hundred nine".