30103020231 has 16 divisors (see below), whose sum is σ = 40742108160. Its totient is φ = 19767515040.

The previous prime is 30103020193. The next prime is 30103020247. The reversal of 30103020231 is 13202030103.

It is not a de Polignac number, because 30103020231 - 2¹⁰ = 30103019207 is a prime.

It is a super-2 number, since 2×30103020231² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30103020231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103020131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51075 + ... + 250628.

It is an arithmetic number, because the mean of its divisors is an integer number (2546381760).

Almost surely, 2^30103020231 is an apocalyptic number.

30103020231 is a deficient number, since it is larger than the sum of its proper divisors (10639087929).

30103020231 is a wasteful number, since it uses less digits than its factorization.

30103020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302206.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30103020231 its reverse (13202030103), we get a palindrome (43305050334).

The spelling of 30103020231 in words is "thirty billion, one hundred three million, twenty thousand, two hundred thirty-one".