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1100021230031 = 71149103981589
BaseRepresentation
bin10000000000011110010…
…111111110100111001111
310220011100101000100212012
4100000132113332213033
5121010320413330111
62201202012331435
7142321360115453
oct20003627764717
93804311010765
101100021230031
11394575341479
12159236a73b7b
137c9682cc519
143b354232663
151d93279648b
hex1001e5fe9cf

1100021230031 has 8 divisors (see below), whose sum is σ = 1123001172000. Its totient is φ = 1077249251680.

The previous prime is 1100021230013. The next prime is 1100021230067. The reversal of 1100021230031 is 1300321200011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1100021230031 is a prime.

It is a super-2 number, since 2×11000212300312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100021229988 and 1100021230015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100021230631) 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, 51980216 + ... + 52001373.

It is an arithmetic number, because the mean of its divisors is an integer number (140375146500).

Almost surely, 21100021230031 is an apocalyptic number.

1100021230031 is a deficient number, since it is larger than the sum of its proper divisors (22979941969).

1100021230031 is a wasteful number, since it uses less digits than its factorization.

1100021230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103981809.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1100021230031 its reverse (1300321200011), we get a palindrome (2400342430042).

The spelling of 1100021230031 in words is "one trillion, one hundred billion, twenty-one million, two hundred thirty thousand, thirty-one".

Divisors: 1 71 149 10579 103981589 7382692819 15493256761 1100021230031