2231234312 has 8 divisors (see below), whose sum is σ = 4183564350. Its totient is φ = 1115617152.

The previous prime is 2231234311. The next prime is 2231234321. The reversal of 2231234312 is 2134321322.

It can be written as a sum of positive squares in only one way, i.e., 2037077956 + 194156356 = 45134^2 + 13934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×2231234312³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2231234311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139452137 + ... + 139452152.

Almost surely, 2^2231234312 is an apocalyptic number.

It is an amenable number.

2231234312 is a deficient number, since it is larger than the sum of its proper divisors (1952330038).

2231234312 is a wasteful number, since it uses less digits than its factorization.

2231234312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278904295 (or 278904291 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 2231234312 is about 47235.9430095346. The cubic root of 2231234312 is about 1306.7175580045.

Adding to 2231234312 its reverse (2134321322), we get a palindrome (4365555634).

The spelling of 2231234312 in words is "two billion, two hundred thirty-one million, two hundred thirty-four thousand, three hundred twelve".