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1431314111 = 2949355659
BaseRepresentation
bin101010101010000…
…0001111010111111
310200202021021211202
41111110001322333
510412404022421
6354010010115
750316653303
oct12524017277
93622237752
101431314111
11674a37527
1233b41693b
1319a6c3936
14d8143d03
15859cd10b
hex55501ebf

1431314111 has 4 divisors (see below), whose sum is σ = 1480669800. Its totient is φ = 1381958424.

The previous prime is 1431314089. The next prime is 1431314119. The reversal of 1431314111 is 1114131341.

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

It is a cyclic number.

It is not a de Polignac number, because 1431314111 - 26 = 1431314047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431314119) 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 in 3 ways as a sum of consecutive naturals, for example, 24677801 + ... + 24677858.

It is an arithmetic number, because the mean of its divisors is an integer number (370167450).

Almost surely, 21431314111 is an apocalyptic number.

1431314111 is a deficient number, since it is larger than the sum of its proper divisors (49355689).

1431314111 is an equidigital number, since it uses as much as digits as its factorization.

1431314111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49355688.

The product of its digits is 144, while the sum is 20.

The square root of 1431314111 is about 37832.7121813914. The cubic root of 1431314111 is about 1126.9681724127.

Adding to 1431314111 its reverse (1114131341), we get a palindrome (2545445452).

The spelling of 1431314111 in words is "one billion, four hundred thirty-one million, three hundred fourteen thousand, one hundred eleven".

Divisors: 1 29 49355659 1431314111