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121303131330331 = 263629037332379
BaseRepresentation
bin11011100101001100010110…
…000011011001011100011011
3120220111110120210021112212001
4123211030112003121130123
5111344412303110032311
61105553520023501431
734356601450552516
oct3345142603313433
9526443523245761
10121303131330331
11357184072a7205
12117314392b7877
13528bab419b7a2
1421d5162449d7d
15e0558d4124c1
hex6e53160d971b

121303131330331 has 8 divisors (see below), whose sum is σ = 121766312321280. Its totient is φ = 120839965130472.

The previous prime is 121303131330317. The next prime is 121303131330431. The reversal of 121303131330331 is 133033131303121.

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

It is a cyclic number.

It is not a de Polignac number, because 121303131330331 - 243 = 112507038308123 is a prime.

It is a super-2 number, since 2×1213031313303312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121303131330331.

It is not an unprimeable number, because it can be changed into a prime (121303131330131) 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, 12877300 + ... + 20209678.

It is an arithmetic number, because the mean of its divisors is an integer number (15220789040160).

Almost surely, 2121303131330331 is an apocalyptic number.

121303131330331 is a deficient number, since it is larger than the sum of its proper divisors (463180990949).

121303131330331 is an equidigital number, since it uses as much as digits as its factorization.

121303131330331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7395545.

The product of its (nonzero) digits is 4374, while the sum is 28.

Adding to 121303131330331 its reverse (133033131303121), we get a palindrome (254336262633452).

The spelling of 121303131330331 in words is "one hundred twenty-one trillion, three hundred three billion, one hundred thirty-one million, three hundred thirty thousand, three hundred thirty-one".

Divisors: 1 263 62903 7332379 16543489 1928415677 461228636237 121303131330331