1331022012029 has 2 divisors, whose sum is σ = 1331022012030. Its totient is φ = 1331022012028.

The previous prime is 1331022011981. The next prime is 1331022012097. The reversal of 1331022012029 is 9202102201331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 716601189529 + 614420822500 = 846523^2 + 783850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331022012029 - 2²⁸ = 1330753576573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331022011989 and 1331022012007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331022014029) 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, 665511006014 + 665511006015.

It is an arithmetic number, because the mean of its divisors is an integer number (665511006015).

Almost surely, 2^{1331022012029} is an apocalyptic number.

It is an amenable number.

1331022012029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331022012029 is an equidigital number, since it uses as much as digits as its factorization.

1331022012029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 1331022012029 in words is "one trillion, three hundred thirty-one billion, twenty-two million, twelve thousand, twenty-nine".