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31101140234 = 2107304147791
BaseRepresentation
bin11100111101110001…
…011011110100001010
32222021111021121210202
4130331301123310022
51002143342441414
622142045212202
72150500221143
oct347561336412
988244247722
1031101140234
111220a867a8a
12603b861062
132c18554a78
1417107a2aca
15c206379de
hex73dc5bd0a

31101140234 has 16 divisors (see below), whose sum is σ = 47104177536. Its totient is φ = 15399849600.

The previous prime is 31101140159. The next prime is 31101140237. The reversal of 31101140234 is 43204110113.

It is not an unprimeable number, because it can be changed into a prime (31101140237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626879 + ... + 674669.

It is an arithmetic number, because the mean of its divisors is an integer number (2944011096).

Almost surely, 231101140234 is an apocalyptic number.

31101140234 is a deficient number, since it is larger than the sum of its proper divisors (16003037302).

31101140234 is a wasteful number, since it uses less digits than its factorization.

31101140234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50941.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31101140234 its reverse (43204110113), we get a palindrome (74305250347).

The spelling of 31101140234 in words is "thirty-one billion, one hundred one million, one hundred forty thousand, two hundred thirty-four".

Divisors: 1 2 107 214 3041 6082 47791 95582 325387 650774 5113637 10227274 145332431 290664862 15550570117 31101140234