30303131293 has 8 divisors (see below), whose sum is σ = 31945443200. Its totient is φ = 28665560448.

The previous prime is 30303131273. The next prime is 30303131297. The reversal of 30303131293 is 39213130303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30303131293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303131297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172133 + ... + 1197706.

It is an arithmetic number, because the mean of its divisors is an integer number (3993180400).

Almost surely, 2^30303131293 is an apocalyptic number.

It is an amenable number.

30303131293 is a deficient number, since it is larger than the sum of its proper divisors (1642311907).

30303131293 is a wasteful number, since it uses less digits than its factorization.

30303131293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370531.

The product of its (nonzero) digits is 4374, while the sum is 28.

Adding to 30303131293 its reverse (39213130303), we get a palindrome (69516261596).

It can be divided in two parts, 30303 and 131293, that added together give a triangular number (161596 = T₅₆₈).

The spelling of 30303131293 in words is "thirty billion, three hundred three million, one hundred thirty-one thousand, two hundred ninety-three".