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103130304331 = 1006710244393
BaseRepresentation
bin110000000001100001…
…0111000111101001011
3100212012022212021112011
41200003002320331023
53142202324214311
6115213304200351
710310444060125
oct1400302707513
9325168767464
10103130304331
113a81240607a
1217ba21690b7
1399571b8122
144dc4aa6215
152a38e6c321
hex18030b8f4b

103130304331 has 4 divisors (see below), whose sum is σ = 103140558792. Its totient is φ = 103120049872.

The previous prime is 103130304317. The next prime is 103130304377. The reversal of 103130304331 is 133403031301.

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

It is a cyclic number.

It is not a de Polignac number, because 103130304331 - 223 = 103121915723 is a prime.

It is a super-2 number, since 2×1031303043312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103130304311) 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, 5112130 + ... + 5132263.

It is an arithmetic number, because the mean of its divisors is an integer number (25785139698).

Almost surely, 2103130304331 is an apocalyptic number.

103130304331 is a deficient number, since it is larger than the sum of its proper divisors (10254461).

103130304331 is a wasteful number, since it uses less digits than its factorization.

103130304331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10254460.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 103130304331 its reverse (133403031301), we get a palindrome (236533335632).

The spelling of 103130304331 in words is "one hundred three billion, one hundred thirty million, three hundred four thousand, three hundred thirty-one".

Divisors: 1 10067 10244393 103130304331