11020310231 has 16 divisors (see below), whose sum is σ = 13338437184. Its totient is φ = 8888377344.

The previous prime is 11020310219. The next prime is 11020310243. The reversal of 11020310231 is 13201302011.

It is an interprime number because it is at equal distance from previous prime (11020310219) and next prime (11020310243).

It is not a de Polignac number, because 11020310231 - 2¹⁴ = 11020293847 is a prime.

It is a super-2 number, since 2×11020310231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020310261) 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, 806351 + ... + 819903.

It is an arithmetic number, because the mean of its divisors is an integer number (833652324).

Almost surely, 2^11020310231 is an apocalyptic number.

11020310231 is a deficient number, since it is larger than the sum of its proper divisors (2318126953).

11020310231 is a wasteful number, since it uses less digits than its factorization.

11020310231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20410.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11020310231 its reverse (13201302011), we get a palindrome (24221612242).

The spelling of 11020310231 in words is "eleven billion, twenty million, three hundred ten thousand, two hundred thirty-one".