30213302231 has 16 divisors (see below), whose sum is σ = 34860334080. Its totient is φ = 25649174880.

The previous prime is 30213302201. The next prime is 30213302233. The reversal of 30213302231 is 13220331203.

It is a de Polignac number, because none of the positive numbers 2^k-30213302231 is a prime.

It is a super-2 number, since 2×30213302231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213302233) 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, 2333666 + ... + 2346576.

It is an arithmetic number, because the mean of its divisors is an integer number (2178770880).

Almost surely, 2^30213302231 is an apocalyptic number.

30213302231 is a deficient number, since it is larger than the sum of its proper divisors (4647031849).

30213302231 is a wasteful number, since it uses less digits than its factorization.

30213302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16094.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30213302231 its reverse (13220331203), we get a palindrome (43433633434).

The spelling of 30213302231 in words is "thirty billion, two hundred thirteen million, three hundred two thousand, two hundred thirty-one".