111040031 has 2 divisors, whose sum is σ = 111040032. Its totient is φ = 111040030.

The previous prime is 111040003. The next prime is 111040051. The reversal of 111040031 is 130040111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111040031 - 2⁶ = 111039967 is a prime.

It is a super-3 number, since 3×111040031³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 111039994 and 111040021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111040051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55520015 + 55520016.

It is an arithmetic number, because the mean of its divisors is an integer number (55520016).

Almost surely, 2^111040031 is an apocalyptic number.

111040031 is a deficient number, since it is larger than the sum of its proper divisors (1).

111040031 is an equidigital number, since it uses as much as digits as its factorization.

111040031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 111040031 is about 10537.5533687854. The cubic root of 111040031 is about 480.6473196413.

Adding to 111040031 its reverse (130040111), we get a palindrome (241080142).

The spelling of 111040031 in words is "one hundred eleven million, forty thousand, thirty-one".