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31113301112 = 235603969401
BaseRepresentation
bin11100111110011111…
…110100110001111000
32222022100011110101122
4130332133310301320
51002210001113422
622143202004412
72151005460455
oct347637646170
988270143348
1031113301112
11122167136a3
126043946708
132c1ac2205a
14171224a82c
15c2173ad42
hex73e7f4c78

31113301112 has 16 divisors (see below), whose sum is σ = 58339321200. Its totient is φ = 15556148800.

The previous prime is 31113301103. The next prime is 31113301171. The reversal of 31113301112 is 21110331113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413612 + ... + 483012.

It is an arithmetic number, because the mean of its divisors is an integer number (3646207575).

Almost surely, 231113301112 is an apocalyptic number.

It is an amenable number.

31113301112 is a deficient number, since it is larger than the sum of its proper divisors (27226020088).

31113301112 is a wasteful number, since it uses less digits than its factorization.

31113301112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125446 (or 125442 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31113301112 its reverse (21110331113), we get a palindrome (52223632225).

The spelling of 31113301112 in words is "thirty-one billion, one hundred thirteen million, three hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 56039 69401 112078 138802 224156 277604 448312 555208 3889162639 7778325278 15556650556 31113301112