10311111120 has 40 divisors (see below), whose sum is σ = 31964445216. Its totient is φ = 2749629568.

The previous prime is 10311111103. The next prime is 10311111131. The reversal of 10311111120 is 2111111301.

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

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10311111096 and 10311111105.

It is a congruent 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, 21481242 + ... + 21481721.

Almost surely, 2^10311111120 is an apocalyptic number.

10311111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10311111120 is an abundant number, since it is smaller than the sum of its proper divisors (21653334096).

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

10311111120 is a wasteful number, since it uses less digits than its factorization.

10311111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42962979 (or 42962973 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 10311111120 its reverse (2111111301), we get a palindrome (12422222421).

The spelling of 10311111120 in words is "ten billion, three hundred eleven million, one hundred eleven thousand, one hundred twenty".