311031020341132 has 96 divisors (see below), whose sum is σ = 674675486008832. Its totient is φ = 122171952278016.

The previous prime is 311031020341123. The next prime is 311031020341163. The reversal of 311031020341132 is 231143020130113.

It is a super-2 number, since 2×311031020341132² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311031020341097 and 311031020341106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58752583 + ... + 63827329.

Almost surely, 2^{311031020341132} 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 311031020341132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337337743004416).

311031020341132 is an abundant number, since it is smaller than the sum of its proper divisors (363644465667700).

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

311031020341132 is a wasteful number, since it uses less digits than its factorization.

311031020341132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075967 (or 5075965 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 311031020341132 its reverse (231143020130113), we get a palindrome (542174040471245).

The spelling of 311031020341132 in words is "three hundred eleven trillion, thirty-one billion, twenty million, three hundred forty-one thousand, one hundred thirty-two".