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31230022321321 = 371038194705411
BaseRepresentation
bin1110001100111010011100…
…11000110000010010101001
311002120120010221200210221021
413012131032120300102221
513043133041203240241
6150230512454212441
76402203031535645
oct706351630602251
9132516127623837
1031230022321321
119a5063a48754a
123604707354121
131456c94905c15
1479d780c8dc25
1539257054c0d1
hex1c674e6304a9

31230022321321 has 8 divisors (see below), whose sum is σ = 32385475788224. Its totient is φ = 30090958265520.

The previous prime is 31230022321319. The next prime is 31230022321331. The reversal of 31230022321321 is 12312322003213.

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 31230022321321 - 21 = 31230022321319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31230022321331) 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, 4097348895 + ... + 4097356516.

It is an arithmetic number, because the mean of its divisors is an integer number (4048184473528).

Almost surely, 231230022321321 is an apocalyptic number.

It is an amenable number.

31230022321321 is a deficient number, since it is larger than the sum of its proper divisors (1155453466903).

31230022321321 is a wasteful number, since it uses less digits than its factorization.

31230022321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8194705551.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31230022321321 its reverse (12312322003213), we get a palindrome (43542344324534).

The spelling of 31230022321321 in words is "thirty-one trillion, two hundred thirty billion, twenty-two million, three hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 37 103 3811 8194705411 303204100207 844054657333 31230022321321