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131303131122 = 2362633494149
BaseRepresentation
bin111101001001001000…
…1101100011111110010
3110112220202000011110110
41322102101230133302
54122402100143442
6140153025442150
712325546125312
oct1722221543762
9415822004413
10131303131122
115075a2158a9
12215451a0356
13c4c6b67a37
1464d85a3442
15363747169c
hex1e9246c7f2

131303131122 has 16 divisors (see below), whose sum is σ = 262648267200. Its totient is φ = 43760709552.

The previous prime is 131303131121. The next prime is 131303131123. The reversal of 131303131122 is 221131303131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131303131121) and next prime (131303131123).

It is a super-2 number, since 2×1313031311222 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131303131121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1709497 + ... + 1784652.

It is an arithmetic number, because the mean of its divisors is an integer number (16415516700).

Almost surely, 2131303131122 is an apocalyptic number.

131303131122 is an abundant number, since it is smaller than the sum of its proper divisors (131345136078).

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

131303131122 is a wasteful number, since it uses less digits than its factorization.

131303131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500417.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131303131122 its reverse (221131303131), we get a palindrome (352434434253).

The spelling of 131303131122 in words is "one hundred thirty-one billion, three hundred three million, one hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 6263 12526 18789 37578 3494149 6988298 10482447 20964894 21883855187 43767710374 65651565561 131303131122