30712155130 has 8 divisors (see below), whose sum is σ = 55281879252. Its totient is φ = 12284862048.

The previous prime is 30712155121. The next prime is 30712155143. The reversal of 30712155130 is 3155121703.

It can be written as a sum of positive squares in 2 ways, for example, as 30503670409 + 208484721 = 174653^2 + 14439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1535607747 + ... + 1535607766.

Almost surely, 2^30712155130 is an apocalyptic number.

30712155130 is a deficient number, since it is larger than the sum of its proper divisors (24569724122).

30712155130 is a wasteful number, since it uses less digits than its factorization.

30712155130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071215520.

The product of its (nonzero) digits is 3150, while the sum is 28.

Adding to 30712155130 its reverse (3155121703), we get a palindrome (33867276833).

The spelling of 30712155130 in words is "thirty billion, seven hundred twelve million, one hundred fifty-five thousand, one hundred thirty".