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103031213102 = 251515606551
BaseRepresentation
bin101111111110100100…
…0111000110000101110
3100211221102101220220122
41133331020320300232
53142001442304402
6115155404244542
710305131601326
oct1377510706056
9324842356818
10103031213102
113a7714853a4
1217b74b40752
13993c80216c
144db5870286
152a303e6ca2
hex17fd238c2e

103031213102 has 4 divisors (see below), whose sum is σ = 154546819656. Its totient is φ = 51515606550.

The previous prime is 103031213093. The next prime is 103031213107. The reversal of 103031213102 is 201312130301.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031213107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25757803274 + ... + 25757803277.

It is an arithmetic number, because the mean of its divisors is an integer number (38636704914).

Almost surely, 2103031213102 is an apocalyptic number.

103031213102 is a deficient number, since it is larger than the sum of its proper divisors (51515606554).

103031213102 is an equidigital number, since it uses as much as digits as its factorization.

103031213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51515606553.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103031213102 its reverse (201312130301), we get a palindrome (304343343403).

The spelling of 103031213102 in words is "one hundred three billion, thirty-one million, two hundred thirteen thousand, one hundred two".

Divisors: 1 2 51515606551 103031213102