30102130987 has 2 divisors, whose sum is σ = 30102130988. Its totient is φ = 30102130986.

The previous prime is 30102130913. The next prime is 30102131009. The reversal of 30102130987 is 78903120103.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30102130987 is a prime.

It is a super-2 number, since 2×30102130987² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30102133987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051065493 + 15051065494.

It is an arithmetic number, because the mean of its divisors is an integer number (15051065494).

Almost surely, 2^30102130987 is an apocalyptic number.

30102130987 is a deficient number, since it is larger than the sum of its proper divisors (1).

30102130987 is an equidigital number, since it uses as much as digits as its factorization.

30102130987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 30102130987 in words is "thirty billion, one hundred two million, one hundred thirty thousand, nine hundred eighty-seven".