30200131243 has 16 divisors (see below), whose sum is σ = 30844661760. Its totient is φ = 29564589600.

The previous prime is 30200131217. The next prime is 30200131261. The reversal of 30200131243 is 34213100203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30200131243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30200131243.

It is not an unprimeable number, because it can be changed into a prime (30200131043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2972953 + ... + 2983093.

It is an arithmetic number, because the mean of its divisors is an integer number (1927791360).

Almost surely, 2^30200131243 is an apocalyptic number.

30200131243 is a deficient number, since it is larger than the sum of its proper divisors (644530517).

30200131243 is a wasteful number, since it uses less digits than its factorization.

30200131243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10578.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30200131243 its reverse (34213100203), we get a palindrome (64413231446).

The spelling of 30200131243 in words is "thirty billion, two hundred million, one hundred thirty-one thousand, two hundred forty-three".