30143243331 has 12 divisors (see below), whose sum is σ = 45433294608. Its totient is φ = 19221778224.

The previous prime is 30143243327. The next prime is 30143243407. The reversal of 30143243331 is 13334234103.

30143243331 is a `hidden beast` number, since 3 + 0 + 1 + 4 + 324 + 3 + 331 = 666.

It is not a de Polignac number, because 30143243331 - 2² = 30143243327 is a prime.

It is a super-2 number, since 2×30143243331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30143243295 and 30143243304.

It is not an unprimeable number, because it can be changed into a prime (30143243131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72809560 + ... + 72809973.

It is an arithmetic number, because the mean of its divisors is an integer number (3786107884).

Almost surely, 2^30143243331 is an apocalyptic number.

30143243331 is a deficient number, since it is larger than the sum of its proper divisors (15290051277).

30143243331 is a wasteful number, since it uses less digits than its factorization.

30143243331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145619562 (or 145619559 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 30143243331 its reverse (13334234103), we get a palindrome (43477477434).

The spelling of 30143243331 in words is "thirty billion, one hundred forty-three million, two hundred forty-three thousand, three hundred thirty-one".