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103240012331 is a prime number
BaseRepresentation
bin110000000100110010…
…1011001001000101011
3100212110222022000121102
41200021211121020223
53142413420343311
6115232223432015
710313245424411
oct1401145311053
9325428260542
10103240012331
113a869328345
1218012a5560b
139973b4a5c1
144dd54a32b1
152a438dd43b
hex180995922b

103240012331 has 2 divisors, whose sum is σ = 103240012332. Its totient is φ = 103240012330.

The previous prime is 103240012327. The next prime is 103240012399. The reversal of 103240012331 is 133210042301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103240012331 - 22 = 103240012327 is a prime.

It is a super-2 number, since 2×1032400123312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103240018331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51620006165 + 51620006166.

It is an arithmetic number, because the mean of its divisors is an integer number (51620006166).

Almost surely, 2103240012331 is an apocalyptic number.

103240012331 is a deficient number, since it is larger than the sum of its proper divisors (1).

103240012331 is an equidigital number, since it uses as much as digits as its factorization.

103240012331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 103240012331 its reverse (133210042301), we get a palindrome (236450054632).

The spelling of 103240012331 in words is "one hundred three billion, two hundred forty million, twelve thousand, three hundred thirty-one".