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131302310130230 = 25412939108965477
BaseRepresentation
bin11101110110101100110011…
…100011011011001000110110
3122012220101012202021111220212
4131312230303203123020312
5114202224112343131410
61143131240515425422
736441164435155541
oct3566546343331066
9565811182244825
10131302310130230
1138922aa702a458
1212887325bb5272
1358359a7160695
14245d0cc491858
15102a71b1e1b05
hex776b338db236

131302310130230 has 32 divisors (see below), whose sum is σ = 242191030021920. Its totient is φ = 51222490958080.

The previous prime is 131302310130227. The next prime is 131302310130239. The reversal of 131302310130230 is 32031013203131.

It is a junction number, because it is equal to n+sod(n) for n = 131302310130196 and 131302310130205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131302310130239) 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, 53277749 + ... + 55687728.

It is an arithmetic number, because the mean of its divisors is an integer number (7568469688185).

Almost surely, 2131302310130230 is an apocalyptic number.

131302310130230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131302310130230 is a deficient number, since it is larger than the sum of its proper divisors (110888719891690).

131302310130230 is a wasteful number, since it uses less digits than its factorization.

131302310130230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108968464.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 131302310130230 its reverse (32031013203131), we get a palindrome (163333323333361).

The spelling of 131302310130230 in words is "one hundred thirty-one trillion, three hundred two billion, three hundred ten million, one hundred thirty thousand, two hundred thirty".

Divisors: 1 2 5 10 41 82 205 410 2939 5878 14695 29390 120499 240998 602495 1204990 108965477 217930954 544827385 1089654770 4467584557 8935169114 22337922785 44675845570 320249536903 640499073806 1601247684515 3202495369030 13130231013023 26260462026046 65651155065115 131302310130230