11333130231 has 16 divisors (see below), whose sum is σ = 15178523904. Its totient is φ = 7521613824.

The previous prime is 11333130217. The next prime is 11333130247. The reversal of 11333130231 is 13203133311.

It is not a de Polignac number, because 11333130231 - 2⁷ = 11333130103 is a prime.

It is a super-2 number, since 2×11333130231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11333130198 and 11333130207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11333120231) 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, 1806406 + ... + 1812668.

It is an arithmetic number, because the mean of its divisors is an integer number (948657744).

Almost surely, 2^11333130231 is an apocalyptic number.

11333130231 is a deficient number, since it is larger than the sum of its proper divisors (3845393673).

11333130231 is a wasteful number, since it uses less digits than its factorization.

11333130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 11333130231 its reverse (13203133311), we get a palindrome (24536263542).

The spelling of 11333130231 in words is "eleven billion, three hundred thirty-three million, one hundred thirty thousand, two hundred thirty-one".