1106780031 has 20 divisors (see below), whose sum is σ = 1889530192. Its totient is φ = 632445408.

The previous prime is 1106780029. The next prime is 1106780069. The reversal of 1106780031 is 1300876011.

It is not a de Polignac number, because 1106780031 - 2¹ = 1106780029 is a prime.

It is a super-2 number, since 2×1106780031² = 2449924074040721922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1106779977 and 1106780004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106780231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 975430 + ... + 976563.

Almost surely, 2^1106780031 is an apocalyptic number.

1106780031 is a deficient number, since it is larger than the sum of its proper divisors (782750161).

1106780031 is an equidigital number, since it uses as much as digits as its factorization.

1106780031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952012 (or 1952003 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1106780031 is about 33268.3036988663. The cubic root of 1106780031 is about 1034.3966489763.

The spelling of 1106780031 in words is "one billion, one hundred six million, seven hundred eighty thousand, thirty-one".