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31100034050 = 252622000681
BaseRepresentation
bin11100111101101101…
…001101110000000010
32222021102012102101222
4130331231031300002
51002143102042200
622142005355042
72150454633131
oct347555156002
988242172358
1031100034050
111220a181988
12603b408a82
132c18258417
141710595918
15c204b9d85
hex73db4dc02

31100034050 has 12 divisors (see below), whose sum is σ = 57846063426. Its totient is φ = 12440013600.

The previous prime is 31100033989. The next prime is 31100034067. The reversal of 31100034050 is 5043000113.

It can be written as a sum of positive squares in 3 ways, for example, as 16972096729 + 14127937321 = 130277^2 + 118861^2 .

It is a super-2 number, since 2×311000340502 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311000291 + ... + 311000390.

Almost surely, 231100034050 is an apocalyptic number.

31100034050 is a deficient number, since it is larger than the sum of its proper divisors (26746029376).

31100034050 is a wasteful number, since it uses less digits than its factorization.

31100034050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622000693 (or 622000688 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 31100034050 its reverse (5043000113), we get a palindrome (36143034163).

The spelling of 31100034050 in words is "thirty-one billion, one hundred million, thirty-four thousand, fifty".

Divisors: 1 2 5 10 25 50 622000681 1244001362 3110003405 6220006810 15550017025 31100034050