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1431314443 = 13971135063
BaseRepresentation
bin101010101010000…
…0010000000001011
310200202021022022001
41111110002000023
510412404030233
6354010011431
750316654256
oct12524020013
93622238261
101431314443
11674a377a9
1233b416b77
1319a6c3b30
14d814409d
15859cd27d
hex5550200b

1431314443 has 8 divisors (see below), whose sum is σ = 1557307808. Its totient is φ = 1307591424.

The previous prime is 1431314419. The next prime is 1431314447. The reversal of 1431314443 is 3444131341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1431314443 - 25 = 1431314411 is a prime.

It is a super-2 number, since 2×14313144432 = 4097322069480800498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431314447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566271 + ... + 568792.

It is an arithmetic number, because the mean of its divisors is an integer number (194663476).

Almost surely, 21431314443 is an apocalyptic number.

1431314443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1431314443 is a deficient number, since it is larger than the sum of its proper divisors (125993365).

1431314443 is a wasteful number, since it uses less digits than its factorization.

1431314443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135173.

The product of its digits is 6912, while the sum is 28.

The square root of 1431314443 is about 37832.7165691284. The cubic root of 1431314443 is about 1126.9682595479.

Adding to 1431314443 its reverse (3444131341), we get a palindrome (4875445784).

The spelling of 1431314443 in words is "one billion, four hundred thirty-one million, three hundred fourteen thousand, four hundred forty-three".

Divisors: 1 13 97 1261 1135063 14755819 110101111 1431314443