1232020313 has 8 divisors (see below), whose sum is σ = 1243757568. Its totient is φ = 1220323104.

The previous prime is 1232020297. The next prime is 1232020319. The reversal of 1232020313 is 3130202321.

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 1232020313 - 2⁴ = 1232020297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1232020291 and 1232020300.

It is not an unprimeable number, because it can be changed into a prime (1232020319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53720 + ... + 73142.

It is an arithmetic number, because the mean of its divisors is an integer number (155469696).

Almost surely, 2^1232020313 is an apocalyptic number.

It is an amenable number.

1232020313 is a deficient number, since it is larger than the sum of its proper divisors (11737255).

1232020313 is a wasteful number, since it uses less digits than its factorization.

1232020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20023.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1232020313 is about 35100.1469085245. The cubic root of 1232020313 is about 1072.0275739292.

Adding to 1232020313 its reverse (3130202321), we get a palindrome (4362222634).

The spelling of 1232020313 in words is "one billion, two hundred thirty-two million, twenty thousand, three hundred thirteen".