311113220010 has 16 divisors (see below), whose sum is σ = 746671728096. Its totient is φ = 82963525328.

The previous prime is 311113220003. The next prime is 311113220021. The reversal of 311113220010 is 10022311113.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5185220304 + ... + 5185220363.

It is an arithmetic number, because the mean of its divisors is an integer number (46666983006).

Almost surely, 2^311113220010 is an apocalyptic number.

311113220010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311113220010 is an abundant number, since it is smaller than the sum of its proper divisors (435558508086).

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

311113220010 is a wasteful number, since it uses less digits than its factorization.

311113220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370440677.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 311113220010 its reverse (10022311113), we get a palindrome (321135531123).

The spelling of 311113220010 in words is "three hundred eleven billion, one hundred thirteen million, two hundred twenty thousand, ten".