30231312127 has 4 divisors (see below), whose sum is σ = 31206515776. Its totient is φ = 29256108480.

The previous prime is 30231312113. The next prime is 30231312149. The reversal of 30231312127 is 72121313203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72121313203 = 313 ⋅230419531.

It is a cyclic number.

It is not a de Polignac number, because 30231312127 - 2¹⁵ = 30231279359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231312227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487601778 + ... + 487601839.

It is an arithmetic number, because the mean of its divisors is an integer number (7801628944).

Almost surely, 2^30231312127 is an apocalyptic number.

30231312127 is a deficient number, since it is larger than the sum of its proper divisors (975203649).

30231312127 is an equidigital number, since it uses as much as digits as its factorization.

30231312127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975203648.

The product of its (nonzero) digits is 1512, while the sum is 25.

The spelling of 30231312127 in words is "thirty billion, two hundred thirty-one million, three hundred twelve thousand, one hundred twenty-seven".