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1310313030 = 235138094153
BaseRepresentation
bin100111000011001…
…1100101001000110
310101022120210120020
41032012130221012
510140420004110
6334004320010
744320322415
oct11606345106
93338523506
101310313030
11612701634
123069a3006
1317b609170
14c604747c
157a07ad70
hex4e19ca46

1310313030 has 64 divisors (see below), whose sum is σ = 3391657920. Its totient is φ = 322062336.

The previous prime is 1310313019. The next prime is 1310313127. The reversal of 1310313030 is 303130131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313434 + ... + 317586.

It is an arithmetic number, because the mean of its divisors is an integer number (52994655).

Almost surely, 21310313030 is an apocalyptic number.

1310313030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310313030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695828960).

1310313030 is an abundant number, since it is smaller than the sum of its proper divisors (2081344890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310313030 is a wasteful number, since it uses less digits than its factorization.

1310313030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 1310313030 is about 36198.2462282360. The cubic root of 1310313030 is about 1094.2713277239.

Adding to 1310313030 its reverse (303130131), we get a palindrome (1613443161).

The spelling of 1310313030 in words is "one billion, three hundred ten million, three hundred thirteen thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 809 1618 2427 4045 4153 4854 8090 8306 10517 12135 12459 20765 21034 24270 24918 31551 41530 52585 53989 62295 63102 105170 107978 124590 157755 161967 269945 315510 323934 539890 809835 1619670 3359777 6719554 10079331 16798885 20158662 33597770 43677101 50396655 87354202 100793310 131031303 218385505 262062606 436771010 655156515 1310313030