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1030122313221 = 310323719140551
BaseRepresentation
bin11101111110110000001…
…00110001011000000101
310122110220222212111001110
432333120010301120011
5113334142303010341
62105122012115233
7134265251122131
oct16773004613005
93573828774043
101030122313221
11367966210731
12147789a65b19
13761a8ab7711
1437c02c103c1
151bbe0ea1216
hexefd8131605

1030122313221 has 16 divisors (see below), whose sum is σ = 1386899671040. Its totient is φ = 680047239600.

The previous prime is 1030122313219. The next prime is 1030122313223. The reversal of 1030122313221 is 1223132210301.

It is an interprime number because it is at equal distance from previous prime (1030122313219) and next prime (1030122313223).

It is not a de Polignac number, because 1030122313221 - 21 = 1030122313219 is a prime.

It is a super-2 number, since 2×10301223132212 (a number of 25 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 (1030122313223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7258896 + ... + 7399446.

It is an arithmetic number, because the mean of its divisors is an integer number (86681229440).

Almost surely, 21030122313221 is an apocalyptic number.

It is an amenable number.

1030122313221 is a deficient number, since it is larger than the sum of its proper divisors (356777357819).

1030122313221 is a wasteful number, since it uses less digits than its factorization.

1030122313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164376.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1030122313221 its reverse (1223132210301), we get a palindrome (2253254523522).

The spelling of 1030122313221 in words is "one trillion, thirty billion, one hundred twenty-two million, three hundred thirteen thousand, two hundred twenty-one".

Divisors: 1 3 103 309 23719 71157 140551 421653 2443057 7329171 14476753 43430259 3333729169 10001187507 343374104407 1030122313221