11031690 has 32 divisors (see below), whose sum is σ = 26593920. Its totient is φ = 2928704.

The previous prime is 11031689. The next prime is 11031703. The reversal of 11031690 is 9613011.

It is a happy number.

It is a super-2 number, since 2×11031690² = 243396368512200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7387 + ... + 8753.

It is an arithmetic number, because the mean of its divisors is an integer number (831060).

Almost surely, 2^11031690 is an apocalyptic number.

11031690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11031690 is an abundant number, since it is smaller than the sum of its proper divisors (15562230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11031690 is a wasteful number, since it uses less digits than its factorization.

11031690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 11031690 is about 3321.3988017099. The cubic root of 11031690 is about 222.6113737752.

The spelling of 11031690 in words is "eleven million, thirty-one thousand, six hundred ninety".