11330212031 has 4 divisors (see below), whose sum is σ = 11926539000. Its totient is φ = 10733885064.

The previous prime is 11330212009. The next prime is 11330212051. The reversal of 11330212031 is 13021203311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11330212031 - 2¹⁸ = 11329949887 is a prime.

It is a super-2 number, since 2×11330212031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11330212051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298163456 + ... + 298163493.

It is an arithmetic number, because the mean of its divisors is an integer number (2981634750).

Almost surely, 2^11330212031 is an apocalyptic number.

11330212031 is a deficient number, since it is larger than the sum of its proper divisors (596326969).

11330212031 is an equidigital number, since it uses as much as digits as its factorization.

11330212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596326968.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11330212031 its reverse (13021203311), we get a palindrome (24351415342).

The spelling of 11330212031 in words is "eleven billion, three hundred thirty million, two hundred twelve thousand, thirty-one".