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102301312031213 = 450538122706473
BaseRepresentation
bin10111010000101011100001…
…010111010001100111101101
3111102012220120022220111110112
4113100223201113101213231
5101402101041334444323
61001324323550145405
730356011610512601
oct2720534127214755
9442186508814415
10102301312031213
112a661819719779
12b58281a4b2265
134510c84297139
141b395a4b77501
15bc615a226178
hex5d0ae15d19ed

102301312031213 has 4 divisors (see below), whose sum is σ = 102301339243068. Its totient is φ = 102301284819360.

The previous prime is 102301312031209. The next prime is 102301312031251. The reversal of 102301312031213 is 312130213103201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12659840776489 + 89641471254724 = 3558067^2 + 9467918^2 .

It is a cyclic number.

It is not a de Polignac number, because 102301312031213 - 22 = 102301312031209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102301312036213) 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, 6847856 + ... + 15858617.

It is an arithmetic number, because the mean of its divisors is an integer number (25575334810767).

Almost surely, 2102301312031213 is an apocalyptic number.

It is an amenable number.

102301312031213 is a deficient number, since it is larger than the sum of its proper divisors (27211855).

102301312031213 is an equidigital number, since it uses as much as digits as its factorization.

102301312031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27211854.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 102301312031213 its reverse (312130213103201), we get a palindrome (414431525134414).

The spelling of 102301312031213 in words is "one hundred two trillion, three hundred one billion, three hundred twelve million, thirty-one thousand, two hundred thirteen".

Divisors: 1 4505381 22706473 102301312031213