30102130231157 has 2 divisors, whose sum is σ = 30102130231158. Its totient is φ = 30102130231156.

The previous prime is 30102130231087. The next prime is 30102130231169. The reversal of 30102130231157 is 75113203120103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27996363563281 + 2105766667876 = 5291159^2 + 1451126^2 .

It is a cyclic number.

It is not a de Polignac number, because 30102130231157 - 2³⁰ = 30101056489333 is a prime.

It is a super-2 number, since 2×30102130231157² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30102130231057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051065115578 + 15051065115579.

It is an arithmetic number, because the mean of its divisors is an integer number (15051065115579).

Almost surely, 2^{30102130231157} is an apocalyptic number.

It is an amenable number.

30102130231157 is a deficient number, since it is larger than the sum of its proper divisors (1).

30102130231157 is an equidigital number, since it uses as much as digits as its factorization.

30102130231157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The spelling of 30102130231157 in words is "thirty trillion, one hundred two billion, one hundred thirty million, two hundred thirty-one thousand, one hundred fifty-seven".