1230030231 has 4 divisors (see below), whose sum is σ = 1640040312. Its totient is φ = 820020152.

The previous prime is 1230030187. The next prime is 1230030233. The reversal of 1230030231 is 1320300321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320300321 = 3 ⋅440100107.

It is a cyclic number.

It is not a de Polignac number, because 1230030231 - 2⁶ = 1230030167 is a prime.

It is a super-2 number, since 2×1230030231² = 3025948738347826722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1230030231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230030233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205005036 + ... + 205005041.

It is an arithmetic number, because the mean of its divisors is an integer number (410010078).

Almost surely, 2^1230030231 is an apocalyptic number.

1230030231 is a deficient number, since it is larger than the sum of its proper divisors (410010081).

1230030231 is an equidigital number, since it uses as much as digits as its factorization.

1230030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410010080.

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

The square root of 1230030231 is about 35071.7868235994. The cubic root of 1230030231 is about 1071.4500475975.

Adding to 1230030231 its reverse (1320300321), we get a palindrome (2550330552).

The spelling of 1230030231 in words is "one billion, two hundred thirty million, thirty thousand, two hundred thirty-one".