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3202020213231 = 37207433735067
BaseRepresentation
bin101110100110000111010…
…001110000000111101111
3102100002222021221102111210
4232212013101300013233
5404430214133310411
610450553205445503
7450224021510430
oct56460721600757
912302867842453
103202020213231
111024a72a2aa94
124386a6110893
131a2c45552908
14b0d9b415487
155845a21eca6
hex2e9874701ef

3202020213231 has 16 divisors (see below), whose sum is σ = 4879299056384. Its totient is φ = 1829714526144.

The previous prime is 3202020213229. The next prime is 3202020213239. The reversal of 3202020213231 is 1323120202023.

It is a happy number.

It is not a de Polignac number, because 3202020213231 - 21 = 3202020213229 is a prime.

It is a super-2 number, since 2×32020202132312 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3202020213198 and 3202020213207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3202020213239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3988560 + ... + 4723626.

It is an arithmetic number, because the mean of its divisors is an integer number (304956191024).

Almost surely, 23202020213231 is an apocalyptic number.

3202020213231 is a deficient number, since it is larger than the sum of its proper divisors (1677278843153).

3202020213231 is a wasteful number, since it uses less digits than its factorization.

3202020213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942510.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 3202020213231 its reverse (1323120202023), we get a palindrome (4525140415254).

The spelling of 3202020213231 in words is "three trillion, two hundred two billion, twenty million, two hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 3 7 21 207433 622299 735067 1452031 2205201 4356093 5145469 15436407 152477153011 457431459033 1067340071077 3202020213231