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31020130300 = 2252378383819
BaseRepresentation
bin11100111000111100…
…011001111111111100
32222001211211220001211
4130320330121333330
51002012123132200
622130033014204
72145464520445
oct347074317774
988054756054
1031020130300
1112179067025
1260186b4364
132c0482cab3
141703b162cc
15c18484aba
hex738f19ffc

31020130300 has 36 divisors (see below), whose sum is σ = 69132979720. Its totient is φ = 12072697920.

The previous prime is 31020130289. The next prime is 31020130313. The reversal of 31020130300 is 303102013.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4188210 + ... + 4195609.

Almost surely, 231020130300 is an apocalyptic number.

It is an amenable number.

31020130300 is an abundant number, since it is smaller than the sum of its proper divisors (38112849420).

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

31020130300 is a wasteful number, since it uses less digits than its factorization.

31020130300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8383870 (or 8383863 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 31020130300 its reverse (303102013), we get a palindrome (31323232313).

The spelling of 31020130300 in words is "thirty-one billion, twenty million, one hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 37 50 74 100 148 185 370 740 925 1850 3700 8383819 16767638 33535276 41919095 83838190 167676380 209595475 310201303 419190950 620402606 838381900 1240805212 1551006515 3102013030 6204026060 7755032575 15510065150 31020130300