11231031210 has 64 divisors (see below), whose sum is σ = 31030048512. Its totient is φ = 2548348416.

The previous prime is 11231031209. The next prime is 11231031221. The reversal of 11231031210 is 1213013211.

It is a happy number.

It is a super-2 number, since 2×11231031210² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11231031210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166417 + ... + 223956.

It is an arithmetic number, because the mean of its divisors is an integer number (484844508).

Almost surely, 2^11231031210 is an apocalyptic number.

11231031210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11231031210 is an abundant number, since it is smaller than the sum of its proper divisors (19799017302).

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

11231031210 is a wasteful number, since it uses less digits than its factorization.

11231031210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390527.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11231031210 its reverse (1213013211), we get a palindrome (12444044421).

The spelling of 11231031210 in words is "eleven billion, two hundred thirty-one million, thirty-one thousand, two hundred ten".