1230312113 has 8 divisors (see below), whose sum is σ = 1284190848. Its totient is φ = 1176465664.

The previous prime is 1230312043. The next prime is 1230312157. The reversal of 1230312113 is 3112130321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1230312113 - 2¹⁸ = 1230049969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230312091 and 1230312100.

It is not an unprimeable number, because it can be changed into a prime (1230312313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101756 + ... + 113202.

It is an arithmetic number, because the mean of its divisors is an integer number (160523856).

Almost surely, 2^1230312113 is an apocalyptic number.

It is an amenable number.

1230312113 is a deficient number, since it is larger than the sum of its proper divisors (53878735).

1230312113 is a wasteful number, since it uses less digits than its factorization.

1230312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16143.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1230312113 is about 35075.8052366585. The cubic root of 1230312113 is about 1071.5318882456.

Adding to 1230312113 its reverse (3112130321), we get a palindrome (4342442434).

The spelling of 1230312113 in words is "one billion, two hundred thirty million, three hundred twelve thousand, one hundred thirteen".