31334603189 has 2 divisors, whose sum is σ = 31334603190. Its totient is φ = 31334603188.

The previous prime is 31334603071. The next prime is 31334603191. The reversal of 31334603189 is 98130643313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29814928900 + 1519674289 = 172670^2 + 38983^2 .

It is a cyclic number.

It is not a de Polignac number, because 31334603189 - 2³² = 27039635893 is a prime.

Together with 31334603191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31331603189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15667301594 + 15667301595.

It is an arithmetic number, because the mean of its divisors is an integer number (15667301595).

Almost surely, 2^31334603189 is an apocalyptic number.

It is an amenable number.

31334603189 is a deficient number, since it is larger than the sum of its proper divisors (1).

31334603189 is an equidigital number, since it uses as much as digits as its factorization.

31334603189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 31334603189 in words is "thirty-one billion, three hundred thirty-four million, six hundred three thousand, one hundred eighty-nine".