30663142501 has 4 divisors (see below), whose sum is σ = 30763022752. Its totient is φ = 30563262252.

The previous prime is 30663142493. The next prime is 30663142589. The reversal of 30663142501 is 10524136603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30663142501 - 2³ = 30663142493 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 (30663142591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49939665 + ... + 49940278.

It is an arithmetic number, because the mean of its divisors is an integer number (7690755688).

Almost surely, 2^30663142501 is an apocalyptic number.

It is an amenable number.

30663142501 is a deficient number, since it is larger than the sum of its proper divisors (99880251).

30663142501 is an equidigital number, since it uses as much as digits as its factorization.

30663142501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99880250.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 30663142501 in words is "thirty billion, six hundred sixty-three million, one hundred forty-two thousand, five hundred one".