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131022023223340 = 22511357974346559
BaseRepresentation
bin11101110010100111110001…
…001001101110100000101100
3122011220120202002000101011101
4131302213301021232200230
5114133131100421121330
61142354404142332444
736412012606601644
oct3562476111564054
9564816662011141
10131022023223340
1138825145410847
1212840b4258a124
135815429444312
14244d6dd4ad524
1510232b44c94ca
hex7729f126e82c

131022023223340 has 24 divisors (see below), whose sum is σ = 277581171329280. Its totient is φ = 51945014515968.

The previous prime is 131022023223317. The next prime is 131022023223361. The reversal of 131022023223340 is 43322320220131.

It is a junction number, because it is equal to n+sod(n) for n = 131022023223299 and 131022023223308.

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, 28987171020 + ... + 28987175539.

It is an arithmetic number, because the mean of its divisors is an integer number (11565882138720).

Almost surely, 2131022023223340 is an apocalyptic number.

131022023223340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131022023223340 is an abundant number, since it is smaller than the sum of its proper divisors (146559148105940).

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

131022023223340 is a wasteful number, since it uses less digits than its factorization.

131022023223340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57974346681 (or 57974346679 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 131022023223340 its reverse (43322320220131), we get a palindrome (174344343443471).

The spelling of 131022023223340 in words is "one hundred thirty-one trillion, twenty-two billion, twenty-three million, two hundred twenty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 57974346559 115948693118 231897386236 289871732795 579743465590 1159486931180 6551101161167 13102202322334 26204404644668 32755505805835 65511011611670 131022023223340