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103023130031 = 611688903771
BaseRepresentation
bin101111111110010101…
…0000011010110101111
3100211220212012021000122
41133330222003112233
53141442410130111
6115154515115155
710305003104453
oct1377452032657
9324825167018
10103023130031
113a767964478
1217b722a2abb
13993ac31c93
144db4768663
152a2e84bcdb
hex17fca835af

103023130031 has 4 divisors (see below), whose sum is σ = 104712033864. Its totient is φ = 101334226200.

The previous prime is 103023130009. The next prime is 103023130043. The reversal of 103023130031 is 130031320301.

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 103023130031 - 210 = 103023129007 is a prime.

It is a super-2 number, since 2×1030231300312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103023129991 and 103023130009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103023130061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844451825 + ... + 844451946.

It is an arithmetic number, because the mean of its divisors is an integer number (26178008466).

Almost surely, 2103023130031 is an apocalyptic number.

103023130031 is a deficient number, since it is larger than the sum of its proper divisors (1688903833).

103023130031 is an equidigital number, since it uses as much as digits as its factorization.

103023130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688903832.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 103023130031 its reverse (130031320301), we get a palindrome (233054450332).

The spelling of 103023130031 in words is "one hundred three billion, twenty-three million, one hundred thirty thousand, thirty-one".

Divisors: 1 61 1688903771 103023130031