2031232321289 has 2 divisors, whose sum is σ = 2031232321290. Its totient is φ = 2031232321288.

The previous prime is 2031232321259. The next prime is 2031232321337. The reversal of 2031232321289 is 9821232321302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2031217843264 + 14478025 = 1425208^2 + 3805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031232321289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031232321249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015616160644 + 1015616160645.

It is an arithmetic number, because the mean of its divisors is an integer number (1015616160645).

Almost surely, 2^{2031232321289} is an apocalyptic number.

It is an amenable number.

2031232321289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031232321289 is an equidigital number, since it uses as much as digits as its factorization.

2031232321289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 2031232321289 in words is "two trillion, thirty-one billion, two hundred thirty-two million, three hundred twenty-one thousand, two hundred eighty-nine".