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131303222110 = 2531909146591
BaseRepresentation
bin111101001001001001…
…0000010101101011110
3110112220202011210021101
41322102102002231132
54122402111101420
6140153031423314
712325546654504
oct1722222025536
9415822153241
10131303222110
115075a2781a5
1221545224b3a
13c4c6b9a288
1464d85c8674
15363748d60a
hex1e92482b5e

131303222110 has 32 divisors (see below), whose sum is σ = 244001931264. Its totient is φ = 50820372000.

The previous prime is 131303222101. The next prime is 131303222111. The reversal of 131303222110 is 11222303131.

It is a super-2 number, since 2×1313032221102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303222111) 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, 2794915 + ... + 2841505.

It is an arithmetic number, because the mean of its divisors is an integer number (7625060352).

Almost surely, 2131303222110 is an apocalyptic number.

131303222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131303222110 is a deficient number, since it is larger than the sum of its proper divisors (112698709154).

131303222110 is a wasteful number, since it uses less digits than its factorization.

131303222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55720.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131303222110 its reverse (11222303131), we get a palindrome (142525525241).

The spelling of 131303222110 in words is "one hundred thirty-one billion, three hundred three million, two hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 5 10 31 62 155 310 9091 18182 45455 46591 90910 93182 232955 281821 465910 563642 1409105 1444321 2818210 2888642 7221605 14443210 423558781 847117562 2117793905 4235587810 13130322211 26260644422 65651611055 131303222110