12131030311 has 8 divisors (see below), whose sum is σ = 12302424000. Its totient is φ = 11960642400.

The previous prime is 12131030243. The next prime is 12131030333. The reversal of 12131030311 is 11303013121.

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 12131030311 - 2²³ = 12122641703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131030341) 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, 227136 + ... + 275413.

It is an arithmetic number, because the mean of its divisors is an integer number (1537803000).

Almost surely, 2^12131030311 is an apocalyptic number.

12131030311 is a deficient number, since it is larger than the sum of its proper divisors (171393689).

12131030311 is a wasteful number, since it uses less digits than its factorization.

12131030311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502889.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 12131030311 its reverse (11303013121), we get a palindrome (23434043432).

The spelling of 12131030311 in words is "twelve billion, one hundred thirty-one million, thirty thousand, three hundred eleven".