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1214423131 is a prime number
BaseRepresentation
bin100100001100010…
…1010000001011011
310010122011002100111
41020120222001123
54441343020011
6320301145151
742044266135
oct11030520133
93118132314
101214423131
11573568089
1229a85b1b7
131647a438c
14b7406055
1571939121
hex4862a05b

1214423131 has 2 divisors, whose sum is σ = 1214423132. Its totient is φ = 1214423130.

The previous prime is 1214423129. The next prime is 1214423167. The reversal of 1214423131 is 1313244121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1214423131 - 21 = 1214423129 is a prime.

It is a super-2 number, since 2×12144231312 = 2949647082215686322, which contains 22 as substring.

Together with 1214423129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1214426131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607211565 + 607211566.

It is an arithmetic number, because the mean of its divisors is an integer number (607211566).

Almost surely, 21214423131 is an apocalyptic number.

1214423131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214423131 is an equidigital number, since it uses as much as digits as its factorization.

1214423131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 1214423131 is about 34848.5743036928. The cubic root of 1214423131 is about 1066.8990871245.

Adding to 1214423131 its reverse (1313244121), we get a palindrome (2527667252).

The spelling of 1214423131 in words is "one billion, two hundred fourteen million, four hundred twenty-three thousand, one hundred thirty-one".