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101031000000 = 26356717283
BaseRepresentation
bin101111000010111101…
…0101011011111000000
3100122210000122120100220
41132011322223133000
53123402414000000
6114225112543040
710204433221260
oct1360572533700
9318700576326
10101031000000
1139935402717
12176b70b1a80
1396b12b1b08
144c65d5b7a0
1529649e11a0
hex1785eab7c0

101031000000 has 784 divisors, whose sum is σ = 405759806208. Its totient is φ = 21657600000.

The previous prime is 101030999989. The next prime is 101031000011. The reversal of 101031000000 is 130101.

It is an interprime number because it is at equal distance from previous prime (101030999989) and next prime (101031000011).

It is a super-2 number, since 2×1010310000002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 356999859 + ... + 357000141.

Almost surely, 2101031000000 is an apocalyptic number.

101031000000 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 101031000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202879903104).

101031000000 is an abundant number, since it is smaller than the sum of its proper divisors (304728806208).

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

101031000000 is an frugal number, since it uses more digits than its factorization.

101031000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 6.

Adding to 101031000000 its reverse (130101), we get a palindrome (101031130101).

The spelling of 101031000000 in words is "one hundred one billion, thirty-one million", and thus it is an aban number.