30000013231 has 2 divisors, whose sum is σ = 30000013232. Its totient is φ = 30000013230.

The previous prime is 30000013201. The next prime is 30000013247. The reversal of 30000013231 is 13231000003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30000013231 - 2²³ = 29991624623 is a prime.

It is a super-2 number, since 2×30000013231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30000013201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000006615 + 15000006616.

It is an arithmetic number, because the mean of its divisors is an integer number (15000006616).

Almost surely, 2^30000013231 is an apocalyptic number.

30000013231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000013231 is an equidigital number, since it uses as much as digits as its factorization.

30000013231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 30000013231 its reverse (13231000003), we get a palindrome (43231013234).

The spelling of 30000013231 in words is "thirty billion, thirteen thousand, two hundred thirty-one".