12213331031 has 8 divisors (see below), whose sum is σ = 13332635904. Its totient is φ = 11095526520.

The previous prime is 12213331021. The next prime is 12213331057. The reversal of 12213331031 is 13013331221.

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

It is a cyclic number.

It is not a de Polignac number, because 12213331031 - 2¹⁰ = 12213330007 is a prime.

It is a super-2 number, since 2×12213331031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213330994 and 12213331012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213331021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358031 + ... + 390656.

It is an arithmetic number, because the mean of its divisors is an integer number (1666579488).

Almost surely, 2^12213331031 is an apocalyptic number.

12213331031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12213331031 is a deficient number, since it is larger than the sum of its proper divisors (1119304873).

12213331031 is a wasteful number, since it uses less digits than its factorization.

12213331031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750181.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12213331031 its reverse (13013331221), we get a palindrome (25226662252).

The spelling of 12213331031 in words is "twelve billion, two hundred thirteen million, three hundred thirty-one thousand, thirty-one".