311412152140 has 12 divisors (see below), whose sum is σ = 653965519536. Its totient is φ = 124564860848.

The previous prime is 311412152081. The next prime is 311412152153. The reversal of 311412152140 is 41251214113.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7785303784 + ... + 7785303823.

It is an arithmetic number, because the mean of its divisors is an integer number (54497126628).

Almost surely, 2^311412152140 is an apocalyptic number.

It is an amenable number.

311412152140 is an abundant number, since it is smaller than the sum of its proper divisors (342553367396).

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

311412152140 is a wasteful number, since it uses less digits than its factorization.

311412152140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15570607616 (or 15570607614 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 311412152140 its reverse (41251214113), we get a palindrome (352663366253).

The spelling of 311412152140 in words is "three hundred eleven billion, four hundred twelve million, one hundred fifty-two thousand, one hundred forty".