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31012330300 = 22527229415323
BaseRepresentation
bin11100111000011110…
…101001101100111100
32222001022011121110221
4130320132221230330
51002003124032200
622125153511124
72145341313100
oct347036515474
988038147427
1031012330300
1112174719846
126015b724a4
132c0302b703
141702a85900
15c1794391a
hex7387a9b3c

31012330300 has 216 divisors, whose sum is σ = 82974220560. Its totient is φ = 10013875200.

The previous prime is 31012330289. The next prime is 31012330333. The reversal of 31012330300 is 303321013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5823439 + ... + 5828761.

It is an arithmetic number, because the mean of its divisors is an integer number (384139910).

Almost surely, 231012330300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31012330300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41487110280).

31012330300 is an abundant number, since it is smaller than the sum of its proper divisors (51961890260).

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

31012330300 is a wasteful number, since it uses less digits than its factorization.

31012330300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421 (or 5407 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 31012330300 its reverse (303321013), we get a palindrome (31315651313).

The spelling of 31012330300 in words is "thirty-one billion, twelve million, three hundred thirty thousand, three hundred".