20313431341232 has 120 divisors (see below), whose sum is σ = 41941191708000. Its totient is φ = 9529076680704.

The previous prime is 20313431341171. The next prime is 20313431341241. The reversal of 20313431341232 is 23214313431302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289995269 + ... + 290065307.

It is an arithmetic number, because the mean of its divisors is an integer number (349509930900).

Almost surely, 2^{20313431341232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20313431341232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20970595854000).

20313431341232 is an abundant number, since it is smaller than the sum of its proper divisors (21627760366768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20313431341232 is a wasteful number, since it uses less digits than its factorization.

20313431341232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70571 (or 70546 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 20313431341232 its reverse (23214313431302), we get a palindrome (43527744772534).

The spelling of 20313431341232 in words is "twenty trillion, three hundred thirteen billion, four hundred thirty-one million, three hundred forty-one thousand, two hundred thirty-two".