1111842031 has 2 divisors, whose sum is σ = 1111842032. Its totient is φ = 1111842030.

The previous prime is 1111841999. The next prime is 1111842047. The reversal of 1111842031 is 1302481111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111842031 - 2⁵ = 1111841999 is a prime.

It is a super-2 number, since 2×1111842031² = 2472385403796409922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111841993 and 1111842011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111842331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555921015 + 555921016.

It is an arithmetic number, because the mean of its divisors is an integer number (555921016).

Almost surely, 2^1111842031 is an apocalyptic number.

1111842031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111842031 is an equidigital number, since it uses as much as digits as its factorization.

1111842031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 1111842031 is about 33344.2953291864. The cubic root of 1111842031 is about 1035.9712326727.

The spelling of 1111842031 in words is "one billion, one hundred eleven million, eight hundred forty-two thousand, thirty-one".