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1313430141 = 34310181629
BaseRepresentation
bin100111001001001…
…0101101001111101
310101112110011102210
41032102111221331
510142214231031
6334155211033
744355654252
oct11622255175
93345404383
101313430141
11614440561
12307a46a79
1317c15abca
14c6619429
157a494746
hex4e495a7d

1313430141 has 8 divisors (see below), whose sum is σ = 1791966880. Its totient is φ = 855256752.

The previous prime is 1313430137. The next prime is 1313430143. The reversal of 1313430141 is 1410343131.

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

It is not a de Polignac number, because 1313430141 - 22 = 1313430137 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 (1313430143) 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 7 ways as a sum of consecutive naturals, for example, 5090686 + ... + 5090943.

It is an arithmetic number, because the mean of its divisors is an integer number (223995860).

Almost surely, 21313430141 is an apocalyptic number.

It is an amenable number.

1313430141 is a deficient number, since it is larger than the sum of its proper divisors (478536739).

1313430141 is a wasteful number, since it uses less digits than its factorization.

1313430141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181675.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1313430141 is about 36241.2767573109. The cubic root of 1313430141 is about 1095.1383632835.

Adding to 1313430141 its reverse (1410343131), we get a palindrome (2723773272).

The spelling of 1313430141 in words is "one billion, three hundred thirteen million, four hundred thirty thousand, one hundred forty-one".

Divisors: 1 3 43 129 10181629 30544887 437810047 1313430141