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101031001230 = 23522714835683
BaseRepresentation
bin101111000010111101…
…0101011110010001110
3100122210000122122001110
41132011322223302032
53123402414014410
6114225112552450
710204433224665
oct1360572536216
9318700578043
10101031001230
1139935403635
12176b70b2726
1396b12b2543
144c65d5bddc
1529649e1720
hex1785eabc8e

101031001230 has 32 divisors (see below), whose sum is σ = 243542588544. Its totient is φ = 26822913056.

The previous prime is 101031001213. The next prime is 101031001231. The reversal of 101031001230 is 32100130101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031001231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7411032 + ... + 7424651.

It is an arithmetic number, because the mean of its divisors is an integer number (7610705892).

Almost surely, 2101031001230 is an apocalyptic number.

101031001230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101031001230 is an abundant number, since it is smaller than the sum of its proper divisors (142511587314).

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

101031001230 is a wasteful number, since it uses less digits than its factorization.

101031001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14835920.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 101031001230 its reverse (32100130101), we get a palindrome (133131131331).

The spelling of 101031001230 in words is "one hundred one billion, thirty-one million, one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 227 454 681 1135 1362 2270 3405 6810 14835683 29671366 44507049 74178415 89014098 148356830 222535245 445070490 3367700041 6735400082 10103100123 16838500205 20206200246 33677000410 50515500615 101031001230