30201313231 has 4 divisors (see below), whose sum is σ = 30203856072. Its totient is φ = 30198770392.

The previous prime is 30201313217. The next prime is 30201313243. The reversal of 30201313231 is 13231310203.

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-30201313231 is a prime.

It is a super-2 number, since 2×30201313231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30201313199 and 30201313208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201313201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253521 + ... + 1277386.

It is an arithmetic number, because the mean of its divisors is an integer number (7550964018).

Almost surely, 2^30201313231 is an apocalyptic number.

30201313231 is a deficient number, since it is larger than the sum of its proper divisors (2542841).

30201313231 is a wasteful number, since it uses less digits than its factorization.

30201313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542840.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30201313231 its reverse (13231310203), we get a palindrome (43432623434).

The spelling of 30201313231 in words is "thirty billion, two hundred one million, three hundred thirteen thousand, two hundred thirty-one".