30201204131 has 4 divisors (see below), whose sum is σ = 34515661872. Its totient is φ = 25886746392.

The previous prime is 30201204119. The next prime is 30201204161. The reversal of 30201204131 is 13140210203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30201204131 is a prime.

It is a super-2 number, since 2×30201204131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30201204161) 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, 2157228860 + ... + 2157228873.

It is an arithmetic number, because the mean of its divisors is an integer number (8628915468).

Almost surely, 2^30201204131 is an apocalyptic number.

30201204131 is a deficient number, since it is larger than the sum of its proper divisors (4314457741).

30201204131 is an equidigital number, since it uses as much as digits as its factorization.

30201204131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314457740.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30201204131 its reverse (13140210203), we get a palindrome (43341414334).

The spelling of 30201204131 in words is "thirty billion, two hundred one million, two hundred four thousand, one hundred thirty-one".