20331012231313 has 8 divisors (see below), whose sum is σ = 23325852834432. Its totient is φ = 17358774199296.

The previous prime is 20331012231263. The next prime is 20331012231419. The reversal of 20331012231313 is 31313221013302.

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 20331012231313 - 2³³ = 20322422296721 is a prime.

It is a super-2 number, since 2×20331012231313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20331012231713) 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, 5650640845 + ... + 5650644442.

It is an arithmetic number, because the mean of its divisors is an integer number (2915731604304).

Almost surely, 2^{20331012231313} is an apocalyptic number.

It is an amenable number.

20331012231313 is a deficient number, since it is larger than the sum of its proper divisors (2994840603119).

20331012231313 is a wasteful number, since it uses less digits than its factorization.

20331012231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11301285551.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 20331012231313 its reverse (31313221013302), we get a palindrome (51644233244615).

The spelling of 20331012231313 in words is "twenty trillion, three hundred thirty-one billion, twelve million, two hundred thirty-one thousand, three hundred thirteen".