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101030131000 = 2353101030131
BaseRepresentation
bin101111000010111011…
…1010111010100111000
3100122202222000102022201
41132011313113110320
53123402203143000
6114225042155544
710204422641611
oct1360567272470
9318688012281
10101030131000
1139934969837
12176b6952bb4
1396b1069406
144c65bb2c08
1529648bd96a
hex1785dd7538

101030131000 has 32 divisors (see below), whose sum is σ = 236410508880. Its totient is φ = 40412052000.

The previous prime is 101030130967. The next prime is 101030131003. The reversal of 101030131000 is 131030101.

It is a super-2 number, since 2×1010301310002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101030131003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50514066 + ... + 50516065.

Almost surely, 2101030131000 is an apocalyptic number.

101030131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101030131000 is an abundant number, since it is smaller than the sum of its proper divisors (135380377880).

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

101030131000 is a wasteful number, since it uses less digits than its factorization.

101030131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101030152 (or 101030138 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 101030131000 its reverse (131030101), we get a palindrome (101161161101).

The spelling of 101030131000 in words is "one hundred one billion, thirty million, one hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 101030131 202060262 404120524 505150655 808241048 1010301310 2020602620 2525753275 4041205240 5051506550 10103013100 12628766375 20206026200 25257532750 50515065500 101030131000