11020131331 has 8 divisors (see below), whose sum is σ = 12315180528. Its totient is φ = 9773952000.

The previous prime is 11020131329. The next prime is 11020131359. The reversal of 11020131331 is 13313102011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11020131331 - 2¹ = 11020131329 is a prime.

It is a super-2 number, since 2×11020131331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020134331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12216990 + ... + 12217891.

It is an arithmetic number, because the mean of its divisors is an integer number (1539397566).

Almost surely, 2^11020131331 is an apocalyptic number.

11020131331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11020131331 is a deficient number, since it is larger than the sum of its proper divisors (1295049197).

11020131331 is a wasteful number, since it uses less digits than its factorization.

11020131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24434933.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11020131331 its reverse (13313102011), we get a palindrome (24333233342).

The spelling of 11020131331 in words is "eleven billion, twenty million, one hundred thirty-one thousand, three hundred thirty-one".