1310111101 has 4 divisors (see below), whose sum is σ = 1410888892. Its totient is φ = 1209333312.

The previous prime is 1310111087. The next prime is 1310111113. The reversal of 1310111101 is 1011110131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 858548601 + 451562500 = 29301^2 + 21250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310111101 - 2⁷ = 1310110973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310115101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50388876 + ... + 50388901.

It is an arithmetic number, because the mean of its divisors is an integer number (352722223).

Almost surely, 2^1310111101 is an apocalyptic number.

It is an amenable number.

1310111101 is a deficient number, since it is larger than the sum of its proper divisors (100777791).

1310111101 is a wasteful number, since it uses less digits than its factorization.

1310111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100777790.

The product of its (nonzero) digits is 3, while the sum is 10.

The square root of 1310111101 is about 36195.4569110545. The cubic root of 1310111101 is about 1094.2151130481.

Adding to 1310111101 its reverse (1011110131), we get a palindrome (2321221232).

The spelling of 1310111101 in words is "one billion, three hundred ten million, one hundred eleven thousand, one hundred one".