231311141449 has 2 divisors, whose sum is σ = 231311141450. Its totient is φ = 231311141448.

The previous prime is 231311141443. The next prime is 231311141459. The reversal of 231311141449 is 944141113132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220436823049 + 10874318400 = 469507^2 + 104280^2 .

It is a cyclic number.

It is not a de Polignac number, because 231311141449 - 2¹³ = 231311133257 is a prime.

It is not a weakly prime, because it can be changed into another prime (231311141443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115655570724 + 115655570725.

It is an arithmetic number, because the mean of its divisors is an integer number (115655570725).

Almost surely, 2^231311141449 is an apocalyptic number.

It is an amenable number.

231311141449 is a deficient number, since it is larger than the sum of its proper divisors (1).

231311141449 is an equidigital number, since it uses as much as digits as its factorization.

231311141449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The spelling of 231311141449 in words is "two hundred thirty-one billion, three hundred eleven million, one hundred forty-one thousand, four hundred forty-nine".