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30311320310 = 259473200773
BaseRepresentation
bin11100001110101100…
…100000101011110110
32220020110002121112222
4130032230200223312
5444034144222220
621531432442342
72122066654145
oct341654405366
986213077488
1030311320310
1111944a4a647
125a5b2493b2
132b20a276bb
14167792775c
15bc6121e25
hex70eb20af6

30311320310 has 16 divisors (see below), whose sum is σ = 54618007536. Its totient is φ = 12111721248.

The previous prime is 30311320309. The next prime is 30311320363. The reversal of 30311320310 is 1302311303.

It is a super-2 number, since 2×303113203102 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590917 + ... + 1609856.

It is an arithmetic number, because the mean of its divisors is an integer number (3413625471).

Almost surely, 230311320310 is an apocalyptic number.

30311320310 is a deficient number, since it is larger than the sum of its proper divisors (24306687226).

30311320310 is a wasteful number, since it uses less digits than its factorization.

30311320310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201727.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30311320310 its reverse (1302311303), we get a palindrome (31613631613).

The spelling of 30311320310 in words is "thirty billion, three hundred eleven million, three hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 10 947 1894 4735 9470 3200773 6401546 16003865 32007730 3031132031 6062264062 15155660155 30311320310