311311111111010 has 16 divisors (see below), whose sum is σ = 561920891371200. Its totient is φ = 124177579695216.

The previous prime is 311311111111003. The next prime is 311311111111019. The reversal of 311311111111010 is 10111111113113.

It is a super-2 number, since 2×311311111111010² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 311311111111010.

It is not an unprimeable number, because it can be changed into a prime (311311111111019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43358089880 + ... + 43358097059.

It is an arithmetic number, because the mean of its divisors is an integer number (35120055710700).

Almost surely, 2^{311311111111010} is an apocalyptic number.

311311111111010 is a deficient number, since it is larger than the sum of its proper divisors (250609780260190).

311311111111010 is a wasteful number, since it uses less digits than its factorization.

311311111111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86716187305.

The product of its (nonzero) digits is 9, while the sum is 17.

Adding to 311311111111010 its reverse (10111111113113), we get a palindrome (321422222224123).

The spelling of 311311111111010 in words is "three hundred eleven trillion, three hundred eleven billion, one hundred eleven million, one hundred eleven thousand, ten".