1230020313 has 16 divisors (see below), whose sum is σ = 1654645440. Its totient is φ = 812725056.

The previous prime is 1230020251. The next prime is 1230020321. The reversal of 1230020313 is 3130200321.

It is not a de Polignac number, because 1230020313 - 2⁶ = 1230020249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230020292 and 1230020301.

It is not an unprimeable number, because it can be changed into a prime (1230020383) 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, 280131 + ... + 284487.

It is an arithmetic number, because the mean of its divisors is an integer number (103415340).

Almost surely, 2^1230020313 is an apocalyptic number.

It is an amenable number.

1230020313 is a deficient number, since it is larger than the sum of its proper divisors (424625127).

1230020313 is a wasteful number, since it uses less digits than its factorization.

1230020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176.

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

The square root of 1230020313 is about 35071.6454276100. The cubic root of 1230020313 is about 1071.4471678118.

Adding to 1230020313 its reverse (3130200321), we get a palindrome (4360220634).

The spelling of 1230020313 in words is "one billion, two hundred thirty million, twenty thousand, three hundred thirteen".