1313020233 has 16 divisors (see below), whose sum is σ = 2223103360. Its totient is φ = 750297168.

The previous prime is 1313020231. The next prime is 1313020307. The reversal of 1313020233 is 3320203131.

1313020233 is a `hidden beast` number, since 131 + 302 + 0 + 233 = 666.

It is not a de Polignac number, because 1313020233 - 2¹ = 1313020231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313020231) 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 15 ways as a sum of consecutive naturals, for example, 3473410 + ... + 3473787.

It is an arithmetic number, because the mean of its divisors is an integer number (138943960).

Almost surely, 2^1313020233 is an apocalyptic number.

It is an amenable number.

1313020233 is a deficient number, since it is larger than the sum of its proper divisors (910083127).

1313020233 is an equidigital number, since it uses as much as digits as its factorization.

1313020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947213 (or 6947207 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1313020233 is about 36235.6210516668. The cubic root of 1313020233 is about 1095.0244243004.

Adding to 1313020233 its reverse (3320203131), we get a palindrome (4633223364).

The spelling of 1313020233 in words is "one billion, three hundred thirteen million, twenty thousand, two hundred thirty-three".