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121210030331 = 1339312371877
BaseRepresentation
bin111000011100010101…
…1100100100011111011
3102120212100001112001122
41300320223210203323
53441214231432311
6131403315335455
711520461154425
oct1607053444373
9376770045048
10121210030331
114744a9a1895
121b5a8bb158b
13b578ab1150
145c1bd27815
1532463230db
hex1c38ae48fb

121210030331 has 8 divisors (see below), whose sum is σ = 130567140144. Its totient is φ = 111857672160.

The previous prime is 121210030327. The next prime is 121210030363. The reversal of 121210030331 is 133030012121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121210030331 - 22 = 121210030327 is a prime.

It is a super-2 number, since 2×1212100303312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121210030031) 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, 1134836 + ... + 1237041.

It is an arithmetic number, because the mean of its divisors is an integer number (16320892518).

Almost surely, 2121210030331 is an apocalyptic number.

121210030331 is a deficient number, since it is larger than the sum of its proper divisors (9357109813).

121210030331 is a wasteful number, since it uses less digits than its factorization.

121210030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375821.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121210030331 its reverse (133030012121), we get a palindrome (254240042452).

The spelling of 121210030331 in words is "one hundred twenty-one billion, two hundred ten million, thirty thousand, three hundred thirty-one".

Divisors: 1 13 3931 51103 2371877 30834401 9323848487 121210030331