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1310312130 = 23548319041
BaseRepresentation
bin100111000011001…
…1100011011000010
310101022120202022220
41032012130123002
510140414442010
6334004311510
744320316661
oct11606343302
93338522286
101310312130
11612700996
123069a2596
1317b60892a
14c6046dd8
157a07a970
hex4e19c6c2

1310312130 has 32 divisors (see below), whose sum is σ = 3145747968. Its totient is φ = 349305600.

The previous prime is 1310312089. The next prime is 1310312137. The reversal of 1310312130 is 312130131.

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

It is not an unprimeable number, because it can be changed into a prime (1310312137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140410 + ... + 149450.

It is an arithmetic number, because the mean of its divisors is an integer number (98304624).

Almost surely, 21310312130 is an apocalyptic number.

1310312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1310312130 is an abundant number, since it is smaller than the sum of its proper divisors (1835435838).

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

1310312130 is a wasteful number, since it uses less digits than its factorization.

1310312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13882.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1310312130 is about 36198.2337966923. The cubic root of 1310312130 is about 1094.2710771872.

Adding to 1310312130 its reverse (312130131), we get a palindrome (1622442261).

The spelling of 1310312130 in words is "one billion, three hundred ten million, three hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4831 9041 9662 14493 18082 24155 27123 28986 45205 48310 54246 72465 90410 135615 144930 271230 43677071 87354142 131031213 218385355 262062426 436770710 655156065 1310312130