30130332031 has 4 divisors (see below), whose sum is σ = 31716139000. Its totient is φ = 28544525064.

The previous prime is 30130332017. The next prime is 30130332049. The reversal of 30130332031 is 13023303103.

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 30130332031 - 2⁹ = 30130331519 is a prime.

It is a super-2 number, since 2×30130332031² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1585806949 = 30130332031 / (3 + 0 + 1 + 3 + 0 + 3 + 3 + 2 + 0 + 3 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130332431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792903456 + ... + 792903493.

It is an arithmetic number, because the mean of its divisors is an integer number (7929034750).

Almost surely, 2^30130332031 is an apocalyptic number.

30130332031 is a deficient number, since it is larger than the sum of its proper divisors (1585806969).

30130332031 is a wasteful number, since it uses less digits than its factorization.

30130332031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585806968.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 30130332031 its reverse (13023303103), we get a palindrome (43153635134).

The spelling of 30130332031 in words is "thirty billion, one hundred thirty million, three hundred thirty-two thousand, thirty-one".