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10031031000 = 2332531958661
BaseRepresentation
bin10010101011110010…
…10110001011011000
3221220002011011122200
421111321112023120
5131020420443000
64335211450200
7503402233224
oct112571261330
927802134580
1010031031000
11428828a071
121b3b456960
13c3b263803
146b231d784
153da98c500
hex255e562d8

10031031000 has 192 divisors, whose sum is σ = 35689960800. Its totient is φ = 2534112000.

The previous prime is 10031030987. The next prime is 10031031007. The reversal of 10031031000 is 13013001.

10031031000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×100310310002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031031007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141670 + ... + 200330.

Almost surely, 210031031000 is an apocalyptic number.

10031031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10031031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17844980400).

10031031000 is an abundant number, since it is smaller than the sum of its proper divisors (25658929800).

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

10031031000 is a wasteful number, since it uses less digits than its factorization.

10031031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58707 (or 58690 counting only the distinct ones).

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

Adding to 10031031000 its reverse (13013001), we get a palindrome (10044044001).

The spelling of 10031031000 in words is "ten billion, thirty-one million, thirty-one thousand".