1230100231 has 4 divisors (see below), whose sum is σ = 1245671200. Its totient is φ = 1214529264.

The previous prime is 1230100219. The next prime is 1230100247. The reversal of 1230100231 is 1320010321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320010321 = 7 ⋅188572903.

It is a cyclic number.

It is not a de Polignac number, because 1230100231 - 2⁷ = 1230100103 is a prime.

It is a super-2 number, since 2×1230100231² = 3026293156612506722, which 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 (1230100271) 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, 7785366 + ... + 7785523.

It is an arithmetic number, because the mean of its divisors is an integer number (311417800).

Almost surely, 2^1230100231 is an apocalyptic number.

1230100231 is a deficient number, since it is larger than the sum of its proper divisors (15570969).

1230100231 is an equidigital number, since it uses as much as digits as its factorization.

1230100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15570968.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1230100231 is about 35072.7847625477. The cubic root of 1230100231 is about 1071.4703723230.

Adding to 1230100231 its reverse (1320010321), we get a palindrome (2550110552).

The spelling of 1230100231 in words is "one billion, two hundred thirty million, one hundred thousand, two hundred thirty-one".