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31230062196 = 223191087126011
BaseRepresentation
bin11101000101011101…
…001110111001110100
32222121110212112111020
4131011131032321310
51002424343442241
622202532341140
72153624102004
oct350535167164
988543775436
1031230062196
1112276612a63
126076a747b0
132c39183958
141723962004
15c2bb01b66
hex74574ee74

31230062196 has 48 divisors (see below), whose sum is σ = 76776591360. Its totient is φ = 9852973920.

The previous prime is 31230062167. The next prime is 31230062207. The reversal of 31230062196 is 69126003213.

It is a congruent number.

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, 184831 + ... + 310841.

It is an arithmetic number, because the mean of its divisors is an integer number (1599512320).

Almost surely, 231230062196 is an apocalyptic number.

It is an amenable number.

31230062196 is an abundant number, since it is smaller than the sum of its proper divisors (45546529164).

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

31230062196 is a wasteful number, since it uses less digits than its factorization.

31230062196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127124 (or 127122 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The spelling of 31230062196 in words is "thirty-one billion, two hundred thirty million, sixty-two thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 1087 2174 3261 4348 6522 13044 20653 41306 61959 82612 123918 126011 247836 252022 378033 504044 756066 1512132 2394209 4788418 7182627 9576836 14365254 28730508 136973957 273947914 410921871 547895828 821843742 1643687484 2602505183 5205010366 7807515549 10410020732 15615031098 31230062196