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31020123022229 = 1122715773787609
BaseRepresentation
bin1110000110110011011110…
…11010011110001110010101
311001211111100201010121222202
413003121233122132032111
513031213202443202404
6145550240415534245
76351062365121435
oct703315732361625
9131744321117882
1031020123022229
11997a618831430
12358baa852a385
131440253727123
1479354c1802c5
1538bd87eac21e
hex1c366f69e395

31020123022229 has 16 divisors (see below), whose sum is σ = 33991407743040. Its totient is φ = 28074066629760.

The previous prime is 31020123022169. The next prime is 31020123022237. The reversal of 31020123022229 is 92222032102013.

It is a cyclic number.

It is not a de Polignac number, because 31020123022229 - 212 = 31020123018133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020123072229) 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, 38991377 + ... + 39778985.

It is an arithmetic number, because the mean of its divisors is an integer number (2124462983940).

Almost surely, 231020123022229 is an apocalyptic number.

It is an amenable number.

31020123022229 is a deficient number, since it is larger than the sum of its proper divisors (2971284720811).

31020123022229 is a wasteful number, since it uses less digits than its factorization.

31020123022229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803620.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 31020123022229 in words is "thirty-one trillion, twenty billion, one hundred twenty-three million, twenty-two thousand, two hundred twenty-nine".

Divisors: 1 11 227 2497 15773 173503 787609 3580471 8663699 39385181 178787243 1966659673 12422956757 136652524327 2820011183839 31020123022229