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103130431357 is a prime number
BaseRepresentation
bin110000000001100001…
…1010111111101111101
3100212012100002201202211
41200003003113331331
53142202342300412
6115213311020421
710310445126352
oct1400303277575
9325170081684
10103130431357
113a812492558
1217ba220a711
139957230ba5
144dc4ada629
152a38e94ca7
hex18030d7f7d

103130431357 has 2 divisors, whose sum is σ = 103130431358. Its totient is φ = 103130431356.

The previous prime is 103130431343. The next prime is 103130431361. The reversal of 103130431357 is 753134031301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55566747076 + 47563684281 = 235726^2 + 218091^2 .

It is a cyclic number.

It is not a de Polignac number, because 103130431357 - 211 = 103130429309 is a prime.

It is a super-2 number, since 2×1031304313572 (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 (103130831357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51565215678 + 51565215679.

It is an arithmetic number, because the mean of its divisors is an integer number (51565215679).

Almost surely, 2103130431357 is an apocalyptic number.

It is an amenable number.

103130431357 is a deficient number, since it is larger than the sum of its proper divisors (1).

103130431357 is an equidigital number, since it uses as much as digits as its factorization.

103130431357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 31.

Adding to 103130431357 its reverse (753134031301), we get a palindrome (856264462658).

The spelling of 103130431357 in words is "one hundred three billion, one hundred thirty million, four hundred thirty-one thousand, three hundred fifty-seven".