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2231101313220 = 2235132860386299
BaseRepresentation
bin100000011101111000000…
…000000101000011000100
321220021212021201221120010
4200131320000011003010
5243023243414010340
64424542004110220
7320122525153443
oct40357000050304
97807767657503
102231101313220
11790228587a2a
1230049b395370
13132513168c60
1479db337ad5a
153d081ac0b80
hex207780050c4

2231101313220 has 48 divisors (see below), whose sum is σ = 6727628577600. Its totient is φ = 549194169216.

The previous prime is 2231101313173. The next prime is 2231101313239. The reversal of 2231101313220 is 223131011322.

It is a super-3 number, since 3×22311013132203 (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430192370 + ... + 1430193929.

It is an arithmetic number, because the mean of its divisors is an integer number (140158928700).

Almost surely, 22231101313220 is an apocalyptic number.

2231101313220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231101313220 is an abundant number, since it is smaller than the sum of its proper divisors (4496527264380).

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

2231101313220 is a wasteful number, since it uses less digits than its factorization.

2231101313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860386324 (or 2860386322 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2231101313220 its reverse (223131011322), we get a palindrome (2454232324542).

The spelling of 2231101313220 in words is "two trillion, two hundred thirty-one billion, one hundred one million, three hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 2860386299 5720772598 8581158897 11441545196 14301931495 17162317794 28603862990 34324635588 37185021887 42905794485 57207725980 74370043774 85811588970 111555065661 148740087548 171623177940 185925109435 223110131322 371850218870 446220262644 557775328305 743700437740 1115550656610 2231101313220