201231030229 has 2 divisors, whose sum is σ = 201231030230. Its totient is φ = 201231030228.

The previous prime is 201231030181. The next prime is 201231030233. The reversal of 201231030229 is 922030132102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195365768004 + 5865262225 = 442002^2 + 76585^2 .

It is a cyclic number.

It is not a de Polignac number, because 201231030229 - 2¹¹ = 201231028181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201231030029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100615515114 + 100615515115.

It is an arithmetic number, because the mean of its divisors is an integer number (100615515115).

Almost surely, 2^201231030229 is an apocalyptic number.

It is an amenable number.

201231030229 is a deficient number, since it is larger than the sum of its proper divisors (1).

201231030229 is an equidigital number, since it uses as much as digits as its factorization.

201231030229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 201231030229 in words is "two hundred one billion, two hundred thirty-one million, thirty thousand, two hundred twenty-nine".