30012315143 has 2 divisors, whose sum is σ = 30012315144. Its totient is φ = 30012315142.

The previous prime is 30012315133. The next prime is 30012315163. The reversal of 30012315143 is 34151321003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30012315143 - 2¹⁸ = 30012052999 is a prime.

It is a super-2 number, since 2×30012315143² (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 (30012315133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006157571 + 15006157572.

It is an arithmetic number, because the mean of its divisors is an integer number (15006157572).

Almost surely, 2^30012315143 is an apocalyptic number.

30012315143 is a deficient number, since it is larger than the sum of its proper divisors (1).

30012315143 is an equidigital number, since it uses as much as digits as its factorization.

30012315143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 30012315143 its reverse (34151321003), we get a palindrome (64163636146).

The spelling of 30012315143 in words is "thirty billion, twelve million, three hundred fifteen thousand, one hundred forty-three".