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1312141030 = 252331184031
BaseRepresentation
bin100111000110101…
…1010111011100110
310101110000200002221
41032031122323212
510141402003110
6334111422554
744342005024
oct11615327346
93343020087
101312141030
1161373aa82
12307524a5a
1317bac9215
14c63a1714
157a2dc7da
hex4e35aee6

1312141030 has 32 divisors (see below), whose sum is σ = 2544058368. Its totient is φ = 485839200.

The previous prime is 1312141003. The next prime is 1312141031. The reversal of 1312141030 is 301412131.

It is a junction number, because it is equal to n+sod(n) for n = 1312140995 and 1312141013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312141031) 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, 84886 + ... + 99145.

It is an arithmetic number, because the mean of its divisors is an integer number (79501824).

Almost surely, 21312141030 is an apocalyptic number.

1312141030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312141030 is a deficient number, since it is larger than the sum of its proper divisors (1231917338).

1312141030 is a wasteful number, since it uses less digits than its factorization.

1312141030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184092.

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

The square root of 1312141030 is about 36223.4872700020. The cubic root of 1312141030 is about 1094.7799589826.

Adding to 1312141030 its reverse (301412131), we get a palindrome (1613553161).

The spelling of 1312141030 in words is "one billion, three hundred twelve million, one hundred forty-one thousand, thirty".

Divisors: 1 2 5 10 23 31 46 62 115 155 230 310 713 1426 3565 7130 184031 368062 920155 1840310 4232713 5704961 8465426 11409922 21163565 28524805 42327130 57049610 131214103 262428206 656070515 1312141030