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121113303331 = 2373791396569
BaseRepresentation
bin111000011001011101…
…0100101100100100011
3102120121121001021120011
41300302322211210203
53441020001201311
6131345542225351
711515205043466
oct1606272454443
9376547037504
10121113303331
1147400336419
121b580725257
13b561a45337
145c0d1492dd
15323cab8321
hex1c32ea5923

121113303331 has 32 divisors (see below), whose sum is σ = 130685184000. Its totient is φ = 111985555968.

The previous prime is 121113303313. The next prime is 121113303359. The reversal of 121113303331 is 133303311121.

It is not a de Polignac number, because 121113303331 - 213 = 121113295139 is a prime.

It is a super-2 number, since 2×1211133033312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121113303361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18433815 + ... + 18440383.

It is an arithmetic number, because the mean of its divisors is an integer number (4083912000).

Almost surely, 2121113303331 is an apocalyptic number.

121113303331 is a deficient number, since it is larger than the sum of its proper divisors (9571880669).

121113303331 is a wasteful number, since it uses less digits than its factorization.

121113303331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6883.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 121113303331 its reverse (133303311121), we get a palindrome (254416614452).

The spelling of 121113303331 in words is "one hundred twenty-one billion, one hundred thirteen million, three hundred three thousand, three hundred thirty-one".

Divisors: 1 23 73 79 139 1679 1817 3197 5767 6569 10147 10981 132641 151087 233381 252563 479537 518951 801613 913091 11029351 11935873 18437099 21001093 37883423 66655643 72134189 871318729 1533079789 1659086347 5265795797 121113303331