30143113231 has 32 divisors (see below), whose sum is σ = 37924356096. Its totient is φ = 23274108000.

The previous prime is 30143113229. The next prime is 30143113291. The reversal of 30143113231 is 13231134103.

It is not a de Polignac number, because 30143113231 - 2¹ = 30143113229 is a prime.

It is a super-2 number, since 2×30143113231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143113201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8299786 + ... + 8303416.

It is an arithmetic number, because the mean of its divisors is an integer number (1185136128).

Almost surely, 2^30143113231 is an apocalyptic number.

30143113231 is a deficient number, since it is larger than the sum of its proper divisors (7781242865).

30143113231 is a wasteful number, since it uses less digits than its factorization.

30143113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30143113231 its reverse (13231134103), we get a palindrome (43374247334).

The spelling of 30143113231 in words is "thirty billion, one hundred forty-three million, one hundred thirteen thousand, two hundred thirty-one".