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8214012431 is a prime number
BaseRepresentation
bin1111010011001011…
…11110001000001111
3210012110010001202122
413221211332020033
5113310241344211
63435022443155
7410356645052
oct75145761017
923173101678
108214012431
113535661129
121712a334bb
13a0b9953b1
1457cc96a99
153311c16db
hex1e997e20f

8214012431 has 2 divisors, whose sum is σ = 8214012432. Its totient is φ = 8214012430.

The previous prime is 8214012427. The next prime is 8214012449. The reversal of 8214012431 is 1342104128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8214012431 - 22 = 8214012427 is a prime.

It is a super-2 number, since 2×82140124312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8214012431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8214017431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107006215 + 4107006216.

It is an arithmetic number, because the mean of its divisors is an integer number (4107006216).

Almost surely, 28214012431 is an apocalyptic number.

8214012431 is a deficient number, since it is larger than the sum of its proper divisors (1).

8214012431 is an equidigital number, since it uses as much as digits as its factorization.

8214012431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 8214012431 is about 90631.1890631476. The cubic root of 8214012431 is about 2017.6776590796.

Adding to 8214012431 its reverse (1342104128), we get a palindrome (9556116559).

The spelling of 8214012431 in words is "eight billion, two hundred fourteen million, twelve thousand, four hundred thirty-one".