311440030341040 has 40 divisors (see below), whose sum is σ = 740937560563728. Its totient is φ = 121678895573760.

The previous prime is 311440030341031. The next prime is 311440030341101. The reversal of 311440030341040 is 40143030044113.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45267442831 + ... + 45267449710.

Almost surely, 2^{311440030341040} is an apocalyptic number.

It is an amenable number.

311440030341040 is an abundant number, since it is smaller than the sum of its proper divisors (429497530222688).

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

311440030341040 is a wasteful number, since it uses less digits than its factorization.

311440030341040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90534892597 (or 90534892591 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 311440030341040 its reverse (40143030044113), we get a palindrome (351583060385153).

The spelling of 311440030341040 in words is "three hundred eleven trillion, four hundred forty billion, thirty million, three hundred forty-one thousand, forty".