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31111030034 = 2731191375311
BaseRepresentation
bin11100111110010111…
…001010010100010010
32222022011220002001122
4130332113022110102
51002203410430114
622143041202242
72150650251320
oct347627122422
988264802048
1031111030034
1112215402377
126043030382
132c1a608416
141711c18d10
15c2143ce8e
hex73e5ca512

31111030034 has 32 divisors (see below), whose sum is σ = 55342006272. Its totient is φ = 12835602000.

The previous prime is 31111030019. The next prime is 31111030037. The reversal of 31111030034 is 43003011113.

It is a junction number, because it is equal to n+sod(n) for n = 31111029994 and 31111030021.

It is not an unprimeable number, because it can be changed into a prime (31111030037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104762 + ... + 270549.

It is an arithmetic number, because the mean of its divisors is an integer number (1729437696).

Almost surely, 231111030034 is an apocalyptic number.

31111030034 is a deficient number, since it is larger than the sum of its proper divisors (24230976238).

31111030034 is a wasteful number, since it uses less digits than its factorization.

31111030034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375542.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31111030034 its reverse (43003011113), we get a palindrome (74114041147).

The spelling of 31111030034 in words is "thirty-one billion, one hundred eleven million, thirty thousand, thirty-four".

Divisors: 1 2 7 14 31 62 191 217 382 434 1337 2674 5921 11842 41447 82894 375311 750622 2627177 5254354 11634641 23269282 71684401 81442487 143368802 162884974 501790807 1003581614 2222216431 4444432862 15555515017 31111030034