31123232303329 has 2 divisors, whose sum is σ = 31123232303330. Its totient is φ = 31123232303328.

The previous prime is 31123232303173. The next prime is 31123232303341. The reversal of 31123232303329 is 92330323232113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30249428002704 + 873804300625 = 5499948^2 + 934775^2 .

It is a cyclic number.

It is not a de Polignac number, because 31123232303329 - 2¹⁷ = 31123232172257 is a prime.

It is not a weakly prime, because it can be changed into another prime (31123232393329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15561616151664 + 15561616151665.

It is an arithmetic number, because the mean of its divisors is an integer number (15561616151665).

Almost surely, 2^{31123232303329} is an apocalyptic number.

It is an amenable number.

31123232303329 is a deficient number, since it is larger than the sum of its proper divisors (1).

31123232303329 is an equidigital number, since it uses as much as digits as its factorization.

31123232303329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 37.

The spelling of 31123232303329 in words is "thirty-one trillion, one hundred twenty-three billion, two hundred thirty-two million, three hundred three thousand, three hundred twenty-nine".