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133222010231 = 19312515231723
BaseRepresentation
bin111110000010010100…
…1101000110101110111
3110201212110201022202002
41330010221220311313
54140314313311411
6141111254005515
712424236255122
oct1740451506567
9421773638662
10133222010231
1151554396102
122199b94689b
13c74157b76b
14663b3833b9
1536eab5d33b
hex1f04a68d77

133222010231 has 32 divisors (see below), whose sum is σ = 145696481280. Its totient is φ = 121349340000.

The previous prime is 133222010221. The next prime is 133222010249. The reversal of 133222010231 is 132010222331.

It is a cyclic number.

It is not a de Polignac number, because 133222010231 - 26 = 133222010167 is a prime.

It is a super-2 number, since 2×1332220102312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133222010221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77318936 + ... + 77320658.

It is an arithmetic number, because the mean of its divisors is an integer number (4553015040).

Almost surely, 2133222010231 is an apocalyptic number.

133222010231 is a deficient number, since it is larger than the sum of its proper divisors (12474471049).

133222010231 is a wasteful number, since it uses less digits than its factorization.

133222010231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 133222010231 its reverse (132010222331), we get a palindrome (265232232562).

The spelling of 133222010231 in words is "one hundred thirty-three billion, two hundred twenty-two million, ten thousand, two hundred thirty-one".

Divisors: 1 19 31 251 523 589 1723 4769 7781 9937 16213 32737 53413 131273 147839 308047 432473 901129 1014847 2494187 4069463 8216987 13406663 17121451 27934999 77319797 226183379 254726597 530764981 4297484201 7011684749 133222010231