1090330031 has 16 divisors (see below), whose sum is σ = 1269024768. Its totient is φ = 917481600.

The previous prime is 1090329967. The next prime is 1090330049. The reversal of 1090330031 is 1300330901.

It is not a de Polignac number, because 1090330031 - 2⁶ = 1090329967 is a prime.

It is a super-2 number, since 2×1090330031² = 2377639153000921922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1090329985 and 1090330012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090330091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115226 + ... + 124328.

It is an arithmetic number, because the mean of its divisors is an integer number (79314048).

Almost surely, 2^1090330031 is an apocalyptic number.

1090330031 is a deficient number, since it is larger than the sum of its proper divisors (178694737).

1090330031 is an equidigital number, since it uses as much as digits as its factorization.

1090330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 1090330031 is about 33020.1458355350. The cubic root of 1090330031 is about 1029.2463242606.

Adding to 1090330031 its reverse (1300330901), we get a palindrome (2390660932).

The spelling of 1090330031 in words is "one billion, ninety million, three hundred thirty thousand, thirty-one".