2131332330229 has 2 divisors, whose sum is σ = 2131332330230. Its totient is φ = 2131332330228.

The previous prime is 2131332330217. The next prime is 2131332330247. The reversal of 2131332330229 is 9220332331312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1574779029604 + 556553300625 = 1254902^2 + 746025^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131332330229 - 2⁹ = 2131332329717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131332330194 and 2131332330203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131332339229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065666165114 + 1065666165115.

It is an arithmetic number, because the mean of its divisors is an integer number (1065666165115).

Almost surely, 2^{2131332330229} is an apocalyptic number.

It is an amenable number.

2131332330229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131332330229 is an equidigital number, since it uses as much as digits as its factorization.

2131332330229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 34.

The spelling of 2131332330229 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-two million, three hundred thirty thousand, two hundred twenty-nine".