311420231401140 has 144 divisors (see below), whose sum is σ = 946105975790976. Its totient is φ = 82916663212800.

The previous prime is 311420231401133. The next prime is 311420231401163. The reversal of 311420231401140 is 41104132024113.

It is a happy number.

311420231401140 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 20 + 231 + 401 + 1 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1255243305 + ... + 1255491375.

Almost surely, 2^{311420231401140} is an apocalyptic number.

311420231401140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

311420231401140 is an abundant number, since it is smaller than the sum of its proper divisors (634685744389836).

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

311420231401140 is a wasteful number, since it uses less digits than its factorization.

311420231401140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258870 (or 258865 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 311420231401140 its reverse (41104132024113), we get a palindrome (352524363425253).

The spelling of 311420231401140 in words is "three hundred eleven trillion, four hundred twenty billion, two hundred thirty-one million, four hundred one thousand, one hundred forty".