30503156231 has 8 divisors (see below), whose sum is σ = 30612103200. Its totient is φ = 30394343200.

The previous prime is 30503156221. The next prime is 30503156237. The reversal of 30503156231 is 13265130503.

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-30503156231 is a prime.

It is a super-2 number, since 2×30503156231² (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 = 30503156194 and 30503156203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30503156237) 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, 434405 + ... + 499713.

It is an arithmetic number, because the mean of its divisors is an integer number (3826512900).

Almost surely, 2^30503156231 is an apocalyptic number.

30503156231 is a deficient number, since it is larger than the sum of its proper divisors (108946969).

30503156231 is a wasteful number, since it uses less digits than its factorization.

30503156231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66969.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 30503156231 its reverse (13265130503), we get a palindrome (43768286734).

The spelling of 30503156231 in words is "thirty billion, five hundred three million, one hundred fifty-six thousand, two hundred thirty-one".