1031233221229 has 2 divisors, whose sum is σ = 1031233221230. Its totient is φ = 1031233221228.

The previous prime is 1031233221209. The next prime is 1031233221247. The reversal of 1031233221229 is 9221223321301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 975689572900 + 55543648329 = 987770^2 + 235677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031233221229 - 2⁵ = 1031233221197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031233221229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031233221209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515616610614 + 515616610615.

It is an arithmetic number, because the mean of its divisors is an integer number (515616610615).

Almost surely, 2^{1031233221229} is an apocalyptic number.

It is an amenable number.

1031233221229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031233221229 is an equidigital number, since it uses as much as digits as its factorization.

1031233221229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 1031233221229 in words is "one trillion, thirty-one billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty-nine".