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103021291213 is a prime number
BaseRepresentation
bin101111111110010001…
…1000010011011001101
3100211220201201211122021
41133330203002123031
53141441422304323
6115154411450141
710304651345461
oct1377443023315
9324821654567
10103021291213
113a766918995
1217b71756951
13993a73a019
144db440a4a1
152a2e5d705d
hex17fc8c26cd

103021291213 has 2 divisors, whose sum is σ = 103021291214. Its totient is φ = 103021291212.

The previous prime is 103021291159. The next prime is 103021291223. The reversal of 103021291213 is 312192120301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95417974404 + 7603316809 = 308898^2 + 87197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103021291213 is a prime.

It is a super-2 number, since 2×1030212912132 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103021291223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510645606 + 51510645607.

It is an arithmetic number, because the mean of its divisors is an integer number (51510645607).

Almost surely, 2103021291213 is an apocalyptic number.

It is an amenable number.

103021291213 is a deficient number, since it is larger than the sum of its proper divisors (1).

103021291213 is an equidigital number, since it uses as much as digits as its factorization.

103021291213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 103021291213 in words is "one hundred three billion, twenty-one million, two hundred ninety-one thousand, two hundred thirteen".