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30311012022 = 23127167313761
BaseRepresentation
bin11100001110101011…
…010101011010110110
32220020102111221122220
4130032223111122312
5444034104341042
621531422103210
72122064231304
oct341653253266
986212457586
1030311012022
1111944859a65
125a5b11ab06
132b2094a295
141677887274
15bc60b08ec
hex70ead56b6

30311012022 has 64 divisors (see below), whose sum is σ = 61742628864. Its totient is φ = 9919203840.

The previous prime is 30311012009. The next prime is 30311012059. The reversal of 30311012022 is 22021011303.

It is a junction number, because it is equal to n+sod(n) for n = 30311011992 and 30311012010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39830122 + ... + 39830882.

It is an arithmetic number, because the mean of its divisors is an integer number (964728576).

Almost surely, 230311012022 is an apocalyptic number.

30311012022 is an abundant number, since it is smaller than the sum of its proper divisors (31431616842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30311012022 is a wasteful number, since it uses less digits than its factorization.

30311012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30311012022 its reverse (22021011303), we get a palindrome (52332023325).

The spelling of 30311012022 in words is "thirty billion, three hundred eleven million, twelve thousand, twenty-two".

Divisors: 1 2 3 6 127 167 254 313 334 381 501 626 761 762 939 1002 1522 1878 2283 4566 21209 39751 42418 52271 63627 79502 96647 104542 119253 127087 127254 156813 193294 238193 238506 254174 289941 313626 381261 476386 579882 714579 762522 1429158 6638417 13276834 16140049 19915251 30250511 32280098 39778231 39830502 48420147 60501022 79556462 90751533 96840294 119334693 181503066 238669386 5051835337 10103670674 15155506011 30311012022