30231420031 has 4 divisors (see below), whose sum is σ = 30233711992. Its totient is φ = 30229128072.

The previous prime is 30231420029. The next prime is 30231420047. The reversal of 30231420031 is 13002413203.

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 30231420031 - 2¹ = 30231420029 is a prime.

It is a super-2 number, since 2×30231420031² (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 = 30231419990 and 30231420008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231420001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126080 + ... + 1152613.

It is an arithmetic number, because the mean of its divisors is an integer number (7558427998).

Almost surely, 2^30231420031 is an apocalyptic number.

30231420031 is a deficient number, since it is larger than the sum of its proper divisors (2291961).

30231420031 is a wasteful number, since it uses less digits than its factorization.

30231420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291960.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30231420031 its reverse (13002413203), we get a palindrome (43233833234).

The spelling of 30231420031 in words is "thirty billion, two hundred thirty-one million, four hundred twenty thousand, thirty-one".