331210222130231 has 4 divisors (see below), whose sum is σ = 331215608862432. Its totient is φ = 331204835398032.

The previous prime is 331210222130213. The next prime is 331210222130273. The reversal of 331210222130231 is 132031222012133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331210222130231 is a prime.

It is a super-2 number, since 2×331210222130231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331210222130231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331210222136231) 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, 2693273870 + ... + 2693396843.

It is an arithmetic number, because the mean of its divisors is an integer number (82803902215608).

Almost surely, 2^{331210222130231} is an apocalyptic number.

331210222130231 is a deficient number, since it is larger than the sum of its proper divisors (5386732201).

331210222130231 is an equidigital number, since it uses as much as digits as its factorization.

331210222130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386732200.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 331210222130231 its reverse (132031222012133), we get a palindrome (463241444142364).

The spelling of 331210222130231 in words is "three hundred thirty-one trillion, two hundred ten billion, two hundred twenty-two million, one hundred thirty thousand, two hundred thirty-one".