11231311202 has 8 divisors (see below), whose sum is σ = 16944348636. Its totient is φ = 5583194992.

The previous prime is 11231311159. The next prime is 11231311211. The reversal of 11231311202 is 20211313211.

It can be written as a sum of positive squares in 2 ways, for example, as 11002121881 + 229189321 = 104891^2 + 15139^2 .

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

It is a super-2 number, since 2×11231311202² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16229873 + ... + 16230564.

Almost surely, 2^11231311202 is an apocalyptic number.

11231311202 is a deficient number, since it is larger than the sum of its proper divisors (5713037434).

11231311202 is a wasteful number, since it uses less digits than its factorization.

11231311202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32460612.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11231311202 its reverse (20211313211), we get a palindrome (31442624413).

The spelling of 11231311202 in words is "eleven billion, two hundred thirty-one million, three hundred eleven thousand, two hundred two".