31300144003157 has 2 divisors, whose sum is σ = 31300144003158. Its totient is φ = 31300144003156.

The previous prime is 31300144003123. The next prime is 31300144003159. The reversal of 31300144003157 is 75130044100313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16129749986596 + 15170394016561 = 4016186^2 + 3894919^2 .

It is a cyclic number.

It is not a de Polignac number, because 31300144003157 - 2⁸ = 31300144002901 is a prime.

Together with 31300144003159, 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 (31300144003159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650072001578 + 15650072001579.

It is an arithmetic number, because the mean of its divisors is an integer number (15650072001579).

Almost surely, 2^{31300144003157} is an apocalyptic number.

It is an amenable number.

31300144003157 is a deficient number, since it is larger than the sum of its proper divisors (1).

31300144003157 is an equidigital number, since it uses as much as digits as its factorization.

31300144003157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 31300144003157 in words is "thirty-one trillion, three hundred billion, one hundred forty-four million, three thousand, one hundred fifty-seven".