1331203202029 has 2 divisors, whose sum is σ = 1331203202030. Its totient is φ = 1331203202028.

The previous prime is 1331203202027. The next prime is 1331203202179. The reversal of 1331203202029 is 9202023021331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1184782179529 + 146421022500 = 1088477^2 + 382650^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331203202029 - 2¹ = 1331203202027 is a prime.

Together with 1331203202027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1331203201988 and 1331203202006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331203202027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665601601014 + 665601601015.

It is an arithmetic number, because the mean of its divisors is an integer number (665601601015).

Almost surely, 2^{1331203202029} is an apocalyptic number.

It is an amenable number.

1331203202029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331203202029 is an equidigital number, since it uses as much as digits as its factorization.

1331203202029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 1331203202029 in words is "one trillion, three hundred thirty-one billion, two hundred three million, two hundred two thousand, twenty-nine".