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31301122100122 = 2741206926356487
BaseRepresentation
bin1110001110111110111000…
…10000111000101110011010
311002211100200000110210201001
413013133130100320232122
513100314144224200442
6150323311553215214
76410300661640540
oct707373420705632
9132740600423631
1031301122100122
119a78805452716
12361644a56150a
1314608b5b54654
147a2da7987d90
1539433249d2b7
hex1c77dc438b9a

31301122100122 has 32 divisors (see below), whose sum is σ = 54994393601280. Its totient is φ = 13081251131520.

The previous prime is 31301122100099. The next prime is 31301122100147. The reversal of 31301122100122 is 22100122110313.

It is a self number, because there is not a number n which added to its sum of digits gives 31301122100122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11990638 + ... + 14365849.

It is an arithmetic number, because the mean of its divisors is an integer number (1718574800040).

Almost surely, 231301122100122 is an apocalyptic number.

31301122100122 is a deficient number, since it is larger than the sum of its proper divisors (23693271501158).

31301122100122 is a wasteful number, since it uses less digits than its factorization.

31301122100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26358606.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31301122100122 its reverse (22100122110313), we get a palindrome (53401244210435).

The spelling of 31301122100122 in words is "thirty-one trillion, three hundred one billion, one hundred twenty-two million, one hundred thousand, one hundred twenty-two".

Divisors: 1 2 7 14 41 82 287 574 2069 4138 14483 28966 84829 169658 593803 1187606 26356487 52712974 184495409 368990818 1080615967 2161231934 7564311769 15128623538 54531571603 109063143206 381721001221 763442002442 2235794435723 4471588871446 15650561050061 31301122100122