20113230313 has 16 divisors (see below), whose sum is σ = 22614846912. Its totient is φ = 17729280000.

The previous prime is 20113230299. The next prime is 20113230323. The reversal of 20113230313 is 31303231102.

It is a cyclic number.

It is not a de Polignac number, because 20113230313 - 2¹⁷ = 20113099241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20113230323) 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, 63288 + ... + 210313.

It is an arithmetic number, because the mean of its divisors is an integer number (1413427932).

Almost surely, 2^20113230313 is an apocalyptic number.

It is an amenable number.

20113230313 is a deficient number, since it is larger than the sum of its proper divisors (2501616599).

20113230313 is a wasteful number, since it uses less digits than its factorization.

20113230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273816.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20113230313 its reverse (31303231102), we get a palindrome (51416461415).

The spelling of 20113230313 in words is "twenty billion, one hundred thirteen million, two hundred thirty thousand, three hundred thirteen".