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103131110333220 = 223547757260918517
BaseRepresentation
bin10111011100110000010101…
…001100100101101100100100
3111112011020102101210211012020
4113130300111030211230210
5102004200003221130340
61003201440015423140
730502656024634644
oct2734602514455444
9445136371724166
10103131110333220
112a951727184842
12b697600224ab0
1345712b68a8778
141b67802842524
15bdca2459e9d0
hex5dcc15325b24

103131110333220 has 192 divisors, whose sum is σ = 295429807733760. Its totient is φ = 26869177294848.

The previous prime is 103131110333191. The next prime is 103131110333233. The reversal of 103131110333220 is 22333011131301.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5569527402 + ... + 5569545918.

It is an arithmetic number, because the mean of its divisors is an integer number (1538696915280).

Almost surely, 2103131110333220 is an apocalyptic number.

103131110333220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103131110333220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147714903866880).

103131110333220 is an abundant number, since it is smaller than the sum of its proper divisors (192298697400540).

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

103131110333220 is a wasteful number, since it uses less digits than its factorization.

103131110333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21942 (or 21940 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 103131110333220 its reverse (22333011131301), we get a palindrome (125464121464521).

The spelling of 103131110333220 in words is "one hundred three trillion, one hundred thirty-one billion, one hundred ten million, three hundred thirty-three thousand, two hundred twenty".