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131033223222 = 23111985351867
BaseRepresentation
bin111101000001000110…
…0000101000000110110
3110112012221010102102120
41322002030011000312
54121324001120342
6140110144420410
712316061006646
oct1720214050066
9415187112376
10131033223222
1150630925020
122148a917706
13c482c74b15
1464b07c4526
15361d908aec
hex1e82305036

131033223222 has 16 divisors (see below), whose sum is σ = 285890668992. Its totient is φ = 39707037320.

The previous prime is 131033223199. The next prime is 131033223281. The reversal of 131033223222 is 222322330131.

It is a super-2 number, since 2×1310332232222 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131033223192 and 131033223201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992675868 + ... + 992675999.

It is an arithmetic number, because the mean of its divisors is an integer number (17868166812).

Almost surely, 2131033223222 is an apocalyptic number.

131033223222 is an abundant number, since it is smaller than the sum of its proper divisors (154857445770).

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

131033223222 is a wasteful number, since it uses less digits than its factorization.

131033223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985351883.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 131033223222 its reverse (222322330131), we get a palindrome (353355553353).

The spelling of 131033223222 in words is "one hundred thirty-one billion, thirty-three million, two hundred twenty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 1985351867 3970703734 5956055601 11912111202 21838870537 43677741074 65516611611 131033223222