94031143321 has 2 divisors, whose sum is σ = 94031143322. Its totient is φ = 94031143320.

The previous prime is 94031143313. The next prime is 94031143331. The reversal of 94031143321 is 12334113049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59407237696 + 34623905625 = 243736^2 + 186075^2 .

It is an emirp because it is prime and its reverse (12334113049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94031143321 - 2³ = 94031143313 is a prime.

It is not a weakly prime, because it can be changed into another prime (94031143331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47015571660 + 47015571661.

It is an arithmetic number, because the mean of its divisors is an integer number (47015571661).

Almost surely, 2^94031143321 is an apocalyptic number.

It is an amenable number.

94031143321 is a deficient number, since it is larger than the sum of its proper divisors (1).

94031143321 is an equidigital number, since it uses as much as digits as its factorization.

94031143321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 94031143321 in words is "ninety-four billion, thirty-one million, one hundred forty-three thousand, three hundred twenty-one".