30143441131 has 4 divisors (see below), whose sum is σ = 31454025552. Its totient is φ = 28832856712.

The previous prime is 30143441113. The next prime is 30143441147. The reversal of 30143441131 is 13114434103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30143441131 - 2¹¹ = 30143439083 is a prime.

It is a super-2 number, since 2×30143441131² (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 = 30143441096 and 30143441105.

It is not an unprimeable number, because it can be changed into a prime (30143441161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655292176 + ... + 655292221.

It is an arithmetic number, because the mean of its divisors is an integer number (7863506388).

Almost surely, 2^30143441131 is an apocalyptic number.

30143441131 is a deficient number, since it is larger than the sum of its proper divisors (1310584421).

30143441131 is a wasteful number, since it uses less digits than its factorization.

30143441131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310584420.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 30143441131 its reverse (13114434103), we get a palindrome (43257875234).

The spelling of 30143441131 in words is "thirty billion, one hundred forty-three million, four hundred forty-one thousand, one hundred thirty-one".