230311220449 has 2 divisors, whose sum is σ = 230311220450. Its totient is φ = 230311220448.

The previous prime is 230311220431. The next prime is 230311220473. The reversal of 230311220449 is 944022113032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141511392400 + 88799828049 = 376180^2 + 297993^2 .

It is a cyclic number.

It is not a de Polignac number, because 230311220449 - 2²⁹ = 229774349537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230311220449.

It is not a weakly prime, because it can be changed into another prime (230311220749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115155610224 + 115155610225.

It is an arithmetic number, because the mean of its divisors is an integer number (115155610225).

Almost surely, 2^230311220449 is an apocalyptic number.

It is an amenable number.

230311220449 is a deficient number, since it is larger than the sum of its proper divisors (1).

230311220449 is an equidigital number, since it uses as much as digits as its factorization.

230311220449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 230311220449 in words is "two hundred thirty billion, three hundred eleven million, two hundred twenty thousand, four hundred forty-nine".