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3131020241423 = 7883397186381
BaseRepresentation
bin101101100011111111010…
…110010110101000001111
3102002022201011222011012022
4231203333112112220033
5402244312140211143
610354212034000355
7442131412635164
oct55437726265017
912068634864168
103131020241423
11aa7949334338
124269904160bb
1319933bbaab89
14ab783a9c06b
15566a1e36268
hex2d8ff596a0f

3131020241423 has 4 divisors (see below), whose sum is σ = 3131417435688. Its totient is φ = 3130623047160.

The previous prime is 3131020241381. The next prime is 3131020241431. The reversal of 3131020241423 is 3241420201313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3131020241423 - 210 = 3131020240399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3131020241392 and 3131020241401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131020841423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198585308 + ... + 198601073.

It is an arithmetic number, because the mean of its divisors is an integer number (782854358922).

Almost surely, 23131020241423 is an apocalyptic number.

3131020241423 is a deficient number, since it is larger than the sum of its proper divisors (397194265).

3131020241423 is an equidigital number, since it uses as much as digits as its factorization.

3131020241423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397194264.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 3131020241423 its reverse (3241420201313), we get a palindrome (6372440442736).

The spelling of 3131020241423 in words is "three trillion, one hundred thirty-one billion, twenty million, two hundred forty-one thousand, four hundred twenty-three".

Divisors: 1 7883 397186381 3131020241423