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1316331430 = 25379347317
BaseRepresentation
bin100111001110101…
…1001111110100110
310101201220120020221
41032131121332212
510143440101210
6334341314554
744422426651
oct11635317646
93351816227
101316331430
11616042317
12308a05a5a
1317c93564b
14c6b72898
157a8691da
hex4e759fa6

1316331430 has 16 divisors (see below), whose sum is σ = 2375655120. Its totient is φ = 525141792.

The previous prime is 1316331427. The next prime is 1316331461. The reversal of 1316331430 is 341336131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1316331395 and 1316331404.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 169869 + ... + 177448.

It is an arithmetic number, because the mean of its divisors is an integer number (148478445).

Almost surely, 21316331430 is an apocalyptic number.

1316331430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1316331430 is a deficient number, since it is larger than the sum of its proper divisors (1059323690).

1316331430 is a wasteful number, since it uses less digits than its factorization.

1316331430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347703.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1316331430 is about 36281.2820887024. The cubic root of 1316331430 is about 1095.9441354258.

Adding to 1316331430 its reverse (341336131), we get a palindrome (1657667561).

The spelling of 1316331430 in words is "one billion, three hundred sixteen million, three hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 379 758 1895 3790 347317 694634 1736585 3473170 131633143 263266286 658165715 1316331430