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10123010313131 = 26937632008599
BaseRepresentation
bin1001001101001111001001…
…1011110000101110101011
31022211202020222211121121202
42103103302123300232223
52311323411120010011
633310240254554415
72063235426634652
oct223236233605653
938752228747552
1010123010313131
113253165462a31
121175aa7808a0b
13585798bc8361
1426dd561a4199
151284c932823b
hex934f26f0bab

10123010313131 has 4 divisors (see below), whose sum is σ = 10160642322000. Its totient is φ = 10085378304264.

The previous prime is 10123010313109. The next prime is 10123010313259. The reversal of 10123010313131 is 13131301032101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10123010313131 is a prime.

It is a super-2 number, since 2×101230103131312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10123010312131) 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, 18816004031 + ... + 18816004568.

It is an arithmetic number, because the mean of its divisors is an integer number (2540160580500).

Almost surely, 210123010313131 is an apocalyptic number.

10123010313131 is a deficient number, since it is larger than the sum of its proper divisors (37632008869).

10123010313131 is an equidigital number, since it uses as much as digits as its factorization.

10123010313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37632008868.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 10123010313131 its reverse (13131301032101), we get a palindrome (23254311345232).

The spelling of 10123010313131 in words is "ten trillion, one hundred twenty-three billion, ten million, three hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 269 37632008599 10123010313131