111310313031 has 6 divisors (see below), whose sum is σ = 160781563280. Its totient is φ = 74206875348.

The previous prime is 111310313017. The next prime is 111310313071. The reversal of 111310313031 is 130313013111.

111310313031 is a `hidden beast` number, since 1 + 11 + 310 + 313 + 0 + 31 = 666.

It is not a de Polignac number, because 111310313031 - 2¹³ = 111310304839 is a prime.

It is a super-2 number, since 2×111310313031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111310312995 and 111310313013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111310313071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6183906271 + ... + 6183906288.

Almost surely, 2^111310313031 is an apocalyptic number.

111310313031 is a deficient number, since it is larger than the sum of its proper divisors (49471250249).

111310313031 is a wasteful number, since it uses less digits than its factorization.

111310313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12367812565 (or 12367812562 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 111310313031 its reverse (130313013111), we get a palindrome (241623326142).

The spelling of 111310313031 in words is "one hundred eleven billion, three hundred ten million, three hundred thirteen thousand, thirty-one".