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311013320030 = 25733727534789
BaseRepresentation
bin1001000011010011101…
…01101010010101011110
31002201210001102122121222
410201221311222111132
520043423402220110
6354513314453342
731320125413160
oct4415165522536
91081701378558
10311013320030
1110a999a02686
1250339894252
132343673b01a
14110a5abc930
1581544cec55
hex4869d6a55e

311013320030 has 64 divisors (see below), whose sum is σ = 642064475520. Its totient is φ = 106255908864.

The previous prime is 311013320027. The next prime is 311013320063. The reversal of 311013320030 is 30023310113.

It is a junction number, because it is equal to n+sod(n) for n = 311013319990 and 311013320008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64940876 + ... + 64945664.

It is an arithmetic number, because the mean of its divisors is an integer number (10032257430).

Almost surely, 2311013320030 is an apocalyptic number.

311013320030 is an abundant number, since it is smaller than the sum of its proper divisors (331051155490).

311013320030 is a wasteful number, since it uses less digits than its factorization.

311013320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 311013320030 its reverse (30023310113), we get a palindrome (341036630143).

The spelling of 311013320030 in words is "three hundred eleven billion, thirteen million, three hundred twenty thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 337 674 1685 2359 2753 3370 4718 4789 5506 9578 11795 13765 19271 23590 23945 27530 33523 38542 47890 67046 96355 167615 192710 335230 927761 1613893 1855522 3227786 4638805 6494327 8069465 9277610 11297251 12988654 13184117 16138930 22594502 26368234 32471635 56486255 64943270 65920585 92288819 112972510 131841170 184577638 461444095 922888190 4443047429 8886094858 22215237145 31101332003 44430474290 62202664006 155506660015 311013320030