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311010223030 = 251323104016797
BaseRepresentation
bin1001000011010011010…
…01110110001110110110
31002201202211121022100021
410201221221312032312
520043422104114110
6354513124235354
731320060164053
oct4415151661666
91081684538307
10311010223030
1110a998187881
125033883bb5a
1323435bc5490
14110a551402a
1581540bc2da
hex4869a763b6

311010223030 has 32 divisors (see below), whose sum is σ = 629093594304. Its totient is φ = 109841736576.

The previous prime is 311010222967. The next prime is 311010223061. The reversal of 311010223030 is 30322010113.

It is a junction number, because it is equal to n+sod(n) for n = 311010222995 and 311010223013.

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, 52005409 + ... + 52011388.

It is an arithmetic number, because the mean of its divisors is an integer number (19659174822).

Almost surely, 2311010223030 is an apocalyptic number.

311010223030 is an abundant number, since it is smaller than the sum of its proper divisors (318083371274).

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

311010223030 is a wasteful number, since it uses less digits than its factorization.

311010223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104016840.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 311010223030 its reverse (30322010113), we get a palindrome (341332233143).

The spelling of 311010223030 in words is "three hundred eleven billion, ten million, two hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 13 23 26 46 65 115 130 230 299 598 1495 2990 104016797 208033594 520083985 1040167970 1352218361 2392386331 2704436722 4784772662 6761091805 11961931655 13522183610 23923863310 31101022303 62202044606 155505111515 311010223030