311440102431012 has 96 divisors (see below), whose sum is σ = 808115816793600. Its totient is φ = 103726137616416.

The previous prime is 311440102430983. The next prime is 311440102431019. The reversal of 311440102431012 is 210134201044113.

It is a happy number.

311440102431012 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 401 + 0 + 243 + 1 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (311440102431019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4166552623 + ... + 4166627369.

It is an arithmetic number, because the mean of its divisors is an integer number (8417873091600).

Almost surely, 2^{311440102431012} is an apocalyptic number.

It is an amenable number.

311440102431012 is an abundant number, since it is smaller than the sum of its proper divisors (496675714362588).

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

311440102431012 is a wasteful number, since it uses less digits than its factorization.

311440102431012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106662 (or 106654 counting only the distinct ones).

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

Adding to 311440102431012 its reverse (210134201044113), we get a palindrome (521574303475125).

The spelling of 311440102431012 in words is "three hundred eleven trillion, four hundred forty billion, one hundred two million, four hundred thirty-one thousand, twelve".