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103031101230 = 2354773071703
BaseRepresentation
bin101111111110100100…
…0011101011100101110
3100211221102012020110020
41133331020131130232
53142001430214410
6115155402023010
710305130624221
oct1377510353456
9324842166406
10103031101230
113a771409342
1217b74aa7a66
13993c793275
144db58415b8
152a303c3a70
hex17fd21d72e

103031101230 has 32 divisors (see below), whose sum is σ = 252535809024. Its totient is φ = 26890386336.

The previous prime is 103031101223. The next prime is 103031101273. The reversal of 103031101230 is 32101130301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 36534442 + ... + 36537261.

It is an arithmetic number, because the mean of its divisors is an integer number (7891744032).

Almost surely, 2103031101230 is an apocalyptic number.

103031101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103031101230 is an abundant number, since it is smaller than the sum of its proper divisors (149504707794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103031101230 is a wasteful number, since it uses less digits than its factorization.

103031101230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73071760.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 103031101230 its reverse (32101130301), we get a palindrome (135132231531).

The spelling of 103031101230 in words is "one hundred three billion, thirty-one million, one hundred one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 73071703 146143406 219215109 365358515 438430218 730717030 1096075545 2192151090 3434370041 6868740082 10303110123 17171850205 20606220246 34343700410 51515550615 103031101230