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1311412030 = 25131141203
BaseRepresentation
bin100111000101010…
…1000111100111110
310101101122122002221
41032022220330332
510141210141110
6334044035554
744332550455
oct11612507476
93341578087
101311412030
116132922a5
12307232bba
1317b902466
14c6251b9c
157a1e67da
hex4e2a8f3e

1311412030 has 8 divisors (see below), whose sum is σ = 2360541672. Its totient is φ = 524564808.

The previous prime is 1311412021. The next prime is 1311412031. The reversal of 1311412030 is 302141131.

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

It is a junction number, because it is equal to n+sod(n) for n = 1311411995 and 1311412013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311412031) 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, 65570592 + ... + 65570611.

It is an arithmetic number, because the mean of its divisors is an integer number (295067709).

Almost surely, 21311412030 is an apocalyptic number.

1311412030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311412030 is a deficient number, since it is larger than the sum of its proper divisors (1049129642).

1311412030 is a wasteful number, since it uses less digits than its factorization.

1311412030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131141210.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1311412030 is about 36213.4233399716. The cubic root of 1311412030 is about 1094.5771752829.

Adding to 1311412030 its reverse (302141131), we get a palindrome (1613553161).

The spelling of 1311412030 in words is "one billion, three hundred eleven million, four hundred twelve thousand, thirty".

Divisors: 1 2 5 10 131141203 262282406 655706015 1311412030