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2002003231031 = 17415728329299
BaseRepresentation
bin11101001000100000101…
…100010000000100110111
321002101112001021112022222
4131020200230100010313
5230300100311343111
64131412501112555
7264432335454536
oct35104054200467
97071461245288
102002003231031
117020546a4a21
122840029b875b
13116a325a028b
146cc7c94a31d
1537123ccc7db
hex1d220b10137

2002003231031 has 8 divisors (see below), whose sum is σ = 2120278129200. Its totient is φ = 1883784999808.

The previous prime is 2002003231001. The next prime is 2002003231051. The reversal of 2002003231031 is 1301323002002.

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

It is a cyclic number.

It is not a de Polignac number, because 2002003231031 - 222 = 2001999036727 is a prime.

It is a super-2 number, since 2×20020032310312 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002003231001) 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, 14093981 + ... + 14235318.

It is an arithmetic number, because the mean of its divisors is an integer number (265034766150).

Almost surely, 22002003231031 is an apocalyptic number.

2002003231031 is a deficient number, since it is larger than the sum of its proper divisors (118274898169).

2002003231031 is a wasteful number, since it uses less digits than its factorization.

2002003231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28333473.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 2002003231031 its reverse (1301323002002), we get a palindrome (3303326233033).

The spelling of 2002003231031 in words is "two trillion, two billion, three million, two hundred thirty-one thousand, thirty-one".

Divisors: 1 17 4157 70669 28329299 481598083 117764895943 2002003231031