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331001300220 = 22355516688337
BaseRepresentation
bin1001101000100010011…
…01110000010011111100
31011122101001100020210120
410310101031300103330
520410342313101340
6412020534334540
732625343425663
oct4642115602374
91148331306716
10331001300220
11118416671a78
12541977ba450
13252a0797936
1412040555dda
1589241744d0
hex4d113704fc

331001300220 has 24 divisors (see below), whose sum is σ = 926803640784. Its totient is φ = 88267013376.

The previous prime is 331001300183. The next prime is 331001300221. The reversal of 331001300220 is 22003100133.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 331001300220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331001300221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2758344109 + ... + 2758344228.

It is an arithmetic number, because the mean of its divisors is an integer number (38616818366).

Almost surely, 2331001300220 is an apocalyptic number.

331001300220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331001300220 is an abundant number, since it is smaller than the sum of its proper divisors (595802340564).

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

331001300220 is a wasteful number, since it uses less digits than its factorization.

331001300220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516688349 (or 5516688347 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 331001300220 its reverse (22003100133), we get a palindrome (353004400353).

The spelling of 331001300220 in words is "three hundred thirty-one billion, one million, three hundred thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5516688337 11033376674 16550065011 22066753348 27583441685 33100130022 55166883370 66200260044 82750325055 110333766740 165500650110 331001300220