10311201112 has 8 divisors (see below), whose sum is σ = 19333502100. Its totient is φ = 5155600552.

The previous prime is 10311201023. The next prime is 10311201127. The reversal of 10311201112 is 21110211301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10311201112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10311201092 and 10311201101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644450062 + ... + 644450077.

Almost surely, 2^10311201112 is an apocalyptic number.

It is an amenable number.

10311201112 is a deficient number, since it is larger than the sum of its proper divisors (9022300988).

10311201112 is a wasteful number, since it uses less digits than its factorization.

10311201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288900145 (or 1288900141 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10311201112 its reverse (21110211301), we get a palindrome (31421412413).

The spelling of 10311201112 in words is "ten billion, three hundred eleven million, two hundred one thousand, one hundred twelve".