30130136237 has 4 divisors (see below), whose sum is σ = 30227018016. Its totient is φ = 30033254460.

The previous prime is 30130136203. The next prime is 30130136243. The reversal of 30130136237 is 73263103103.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73263103103 = 199 ⋅368156297.

It is a cyclic number.

It is not a de Polignac number, because 30130136237 - 2¹² = 30130132141 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 (30130136287) 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, 48440423 + ... + 48441044.

It is an arithmetic number, because the mean of its divisors is an integer number (7556754504).

Almost surely, 2^30130136237 is an apocalyptic number.

It is an amenable number.

30130136237 is a deficient number, since it is larger than the sum of its proper divisors (96881779).

30130136237 is an equidigital number, since it uses as much as digits as its factorization.

30130136237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96881778.

The product of its (nonzero) digits is 6804, while the sum is 29.

The spelling of 30130136237 in words is "thirty billion, one hundred thirty million, one hundred thirty-six thousand, two hundred thirty-seven".