30847398703157 has 2 divisors, whose sum is σ = 30847398703158. Its totient is φ = 30847398703156.

The previous prime is 30847398703141. The next prime is 30847398703193. The reversal of 30847398703157 is 75130789374803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26026414388881 + 4820984314276 = 5101609^2 + 2195674^2 .

It is a cyclic number.

It is not a de Polignac number, because 30847398703157 - 2⁴ = 30847398703141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30847398703093 and 30847398703102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30847598703157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15423699351578 + 15423699351579.

It is an arithmetic number, because the mean of its divisors is an integer number (15423699351579).

Almost surely, 2^{30847398703157} is an apocalyptic number.

It is an amenable number.

30847398703157 is a deficient number, since it is larger than the sum of its proper divisors (1).

30847398703157 is an equidigital number, since it uses as much as digits as its factorization.

30847398703157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 106686720, while the sum is 65.

The spelling of 30847398703157 in words is "thirty trillion, eight hundred forty-seven billion, three hundred ninety-eight million, seven hundred three thousand, one hundred fifty-seven".