20231317302032 has 10 divisors (see below), whose sum is σ = 39198177272718. Its totient is φ = 10115658651008.

The previous prime is 20231317302023. The next prime is 20231317302041. The reversal of 20231317302032 is 23020371313202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20231317302023) and next prime (20231317302041).

It can be written as a sum of positive squares in only one way, i.e., 14740562350336 + 5490754951696 = 3839344^2 + 2343236^2 .

It is a super-2 number, since 2×20231317302032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20231317301986 and 20231317302004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632228665673 + ... + 632228665704.

Almost surely, 2^{20231317302032} is an apocalyptic number.

It is an amenable number.

20231317302032 is a deficient number, since it is larger than the sum of its proper divisors (18966859970686).

20231317302032 is a wasteful number, since it uses less digits than its factorization.

20231317302032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264457331385 (or 1264457331379 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 20231317302032 its reverse (23020371313202), we get a palindrome (43251688615234).

The spelling of 20231317302032 in words is "twenty trillion, two hundred thirty-one billion, three hundred seventeen million, three hundred two thousand, thirty-two".