311440321401002 has 32 divisors (see below), whose sum is σ = 487864070184960. Its totient is φ = 148829903988480.

The previous prime is 311440321400867. The next prime is 311440321401037. The reversal of 311440321401002 is 200104123044113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319072727 + ... + 320047317.

It is an arithmetic number, because the mean of its divisors is an integer number (15245752193280).

Almost surely, 2^{311440321401002} is an apocalyptic number.

311440321401002 is a deficient number, since it is larger than the sum of its proper divisors (176423748783958).

311440321401002 is a wasteful number, since it uses less digits than its factorization.

311440321401002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980198.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 311440321401002 its reverse (200104123044113), we get a palindrome (511544444445115).

The spelling of 311440321401002 in words is "three hundred eleven trillion, four hundred forty billion, three hundred twenty-one million, four hundred one thousand, two".