316132261340 has 96 divisors (see below), whose sum is σ = 787936705920. Its totient is φ = 104243134464.

The previous prime is 316132261309. The next prime is 316132261391. The reversal of 316132261340 is 43162231613.

It is a junction number, because it is equal to n+sod(n) for n = 316132261297 and 316132261306.

It is a congruent number.

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, 891932 + ... + 1194908.

It is an arithmetic number, because the mean of its divisors is an integer number (8207674020).

Almost surely, 2^316132261340 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 316132261340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393968352960).

316132261340 is an abundant number, since it is smaller than the sum of its proper divisors (471804444580).

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

316132261340 is a wasteful number, since it uses less digits than its factorization.

316132261340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303279 (or 303277 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 316132261340 its reverse (43162231613), we get a palindrome (359294492953).

The spelling of 316132261340 in words is "three hundred sixteen billion, one hundred thirty-two million, two hundred sixty-one thousand, three hundred forty".