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1214312422431 = 3404770807477
BaseRepresentation
bin10001101010111010101…
…010010001110000011111
311022002100112001111120010
4101222322222101300133
5124343402440004211
62325503013254303
7153505536200103
oct21527252216037
94262315044503
101214312422431
11428a94783989
12177412934393
138a680853a14
1442ab72c9903
15218c14834a6
hex11abaa91c1f

1214312422431 has 4 divisors (see below), whose sum is σ = 1619083229912. Its totient is φ = 809541614952.

The previous prime is 1214312422423. The next prime is 1214312422439. The reversal of 1214312422431 is 1342242134121.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1214312422423) and next prime (1214312422439).

It is not a de Polignac number, because 1214312422431 - 23 = 1214312422423 is a prime.

It is a super-2 number, since 2×12143124224312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214312422439) 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, 202385403736 + ... + 202385403741.

It is an arithmetic number, because the mean of its divisors is an integer number (404770807478).

Almost surely, 21214312422431 is an apocalyptic number.

1214312422431 is a deficient number, since it is larger than the sum of its proper divisors (404770807481).

1214312422431 is an equidigital number, since it uses as much as digits as its factorization.

1214312422431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404770807480.

The product of its digits is 9216, while the sum is 30.

Adding to 1214312422431 its reverse (1342242134121), we get a palindrome (2556554556552).

The spelling of 1214312422431 in words is "one trillion, two hundred fourteen billion, three hundred twelve million, four hundred twenty-two thousand, four hundred thirty-one".

Divisors: 1 3 404770807477 1214312422431