30233220231 has 16 divisors (see below), whose sum is σ = 41120348544. Its totient is φ = 19753841184.

The previous prime is 30233220229. The next prime is 30233220233. The reversal of 30233220231 is 13202233203.

It is an interprime number because it is at equal distance from previous prime (30233220229) and next prime (30233220233).

It is not a de Polignac number, because 30233220231 - 2¹ = 30233220229 is a prime.

It is a super-2 number, since 2×30233220231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30233220198 and 30233220207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30233220233) 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, 342165 + ... + 421358.

It is an arithmetic number, because the mean of its divisors is an integer number (2570021784).

Almost surely, 2^30233220231 is an apocalyptic number.

30233220231 is a deficient number, since it is larger than the sum of its proper divisors (10887128313).

30233220231 is a wasteful number, since it uses less digits than its factorization.

30233220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763790.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30233220231 its reverse (13202233203), we get a palindrome (43435453434).

The spelling of 30233220231 in words is "thirty billion, two hundred thirty-three million, two hundred twenty thousand, two hundred thirty-one".