30532015139 has 2 divisors, whose sum is σ = 30532015140. Its totient is φ = 30532015138.

The previous prime is 30532015001. The next prime is 30532015169. The reversal of 30532015139 is 93151023503.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30532015139 is a prime.

It is not a weakly prime, because it can be changed into another prime (30532015169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15266007569 + 15266007570.

It is an arithmetic number, because the mean of its divisors is an integer number (15266007570).

Almost surely, 2^30532015139 is an apocalyptic number.

30532015139 is a deficient number, since it is larger than the sum of its proper divisors (1).

30532015139 is an equidigital number, since it uses as much as digits as its factorization.

30532015139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 32.

The spelling of 30532015139 in words is "thirty billion, five hundred thirty-two million, fifteen thousand, one hundred thirty-nine".