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2031221133310 = 251371482643163
BaseRepresentation
bin11101100011101110001…
…101101100111111111110
321012011221021220202022211
4131203232031230333332
5231234420102231220
64153044034131034
7266515360521235
oct35435615547776
97164837822284
102031221133310
117134884153a6
122897b7a20a7a
1311970a90cb55
1470451169b1c
1537c83e18b5a
hex1d8ee36cffe

2031221133310 has 16 divisors (see below), whose sum is σ = 3682885619376. Its totient is φ = 806557880128.

The previous prime is 2031221133203. The next prime is 2031221133371. The reversal of 2031221133310 is 133311221302.

It is a super-2 number, since 2×20312211333102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741320212 + ... + 741322951.

It is an arithmetic number, because the mean of its divisors is an integer number (230180351211).

Almost surely, 22031221133310 is an apocalyptic number.

2031221133310 is a deficient number, since it is larger than the sum of its proper divisors (1651664486066).

2031221133310 is a wasteful number, since it uses less digits than its factorization.

2031221133310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482643307.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2031221133310 its reverse (133311221302), we get a palindrome (2164532354612).

The spelling of 2031221133310 in words is "two trillion, thirty-one billion, two hundred twenty-one million, one hundred thirty-three thousand, three hundred ten".

Divisors: 1 2 5 10 137 274 685 1370 1482643163 2965286326 7413215815 14826431630 203122113331 406244226662 1015610566655 2031221133310