2231120311301 has 16 divisors (see below), whose sum is σ = 2702383052544. Its totient is φ = 1798202052864.

The previous prime is 2231120311289. The next prime is 2231120311313. The reversal of 2231120311301 is 1031130211322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2231120311289) and next prime (2231120311313).

It is a de Polignac number, because none of the positive numbers 2^k-2231120311301 is a prime.

It is a super-3 number, since 3×2231120311301³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231120311391) 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, 8692370 + ... + 8945363.

It is an arithmetic number, because the mean of its divisors is an integer number (168898940784).

Almost surely, 2^{2231120311301} is an apocalyptic number.

It is an amenable number.

2231120311301 is a deficient number, since it is larger than the sum of its proper divisors (471262741243).

2231120311301 is a wasteful number, since it uses less digits than its factorization.

2231120311301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17638820.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2231120311301 its reverse (1031130211322), we get a palindrome (3262250522623).

The spelling of 2231120311301 in words is "two trillion, two hundred thirty-one billion, one hundred twenty million, three hundred eleven thousand, three hundred one".