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103003210031 = 463092224259
BaseRepresentation
bin101111111101101111…
…0000100000100101111
3100211212110201012220212
41133323132010010233
53141422310210111
6115152524133035
710304341560611
oct1377336040457
9324773635825
10103003210031
113a757699267
1217b6769717b
139936a790b7
144db1c60db1
152a2cc1498b
hex17fb78412f

103003210031 has 4 divisors (see below), whose sum is σ = 103005480600. Its totient is φ = 103000939464.

The previous prime is 103003210007. The next prime is 103003210043. The reversal of 103003210031 is 130012300301.

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 103003210031 - 226 = 102936101167 is a prime.

It is a super-2 number, since 2×1030032100312 (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 = 103003209988 and 103003210015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103003210931) 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, 1065821 + ... + 1158438.

It is an arithmetic number, because the mean of its divisors is an integer number (25751370150).

Almost surely, 2103003210031 is an apocalyptic number.

103003210031 is a deficient number, since it is larger than the sum of its proper divisors (2270569).

103003210031 is an equidigital number, since it uses as much as digits as its factorization.

103003210031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270568.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 103003210031 its reverse (130012300301), we get a palindrome (233015510332).

The spelling of 103003210031 in words is "one hundred three billion, three million, two hundred ten thousand, thirty-one".

Divisors: 1 46309 2224259 103003210031