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122031013233 = 31918127894241
BaseRepresentation
bin111000110100110011…
…1010111110101110001
3102122222112212202212210
41301221213113311301
53444404414410413
6132021004042333
711550020332533
oct1615147276561
9378875782783
10122031013233
1147831364458
121b797b333a9
13b679bcc94c
145c98d95853
1532934423c3
hex1c699d7d71

122031013233 has 32 divisors (see below), whose sum is σ = 172320220800. Its totient is φ = 76600857600.

The previous prime is 122031013183. The next prime is 122031013243. The reversal of 122031013233 is 332310130221.

It is not a de Polignac number, because 122031013233 - 217 = 122030882161 is a prime.

It is a super-2 number, since 2×1220310132332 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122031013243) 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, 28771993 + ... + 28776233.

It is an arithmetic number, because the mean of its divisors is an integer number (5385006900).

Almost surely, 2122031013233 is an apocalyptic number.

It is an amenable number.

122031013233 is a deficient number, since it is larger than the sum of its proper divisors (50289207567).

122031013233 is a wasteful number, since it uses less digits than its factorization.

122031013233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 122031013233 its reverse (332310130221), we get a palindrome (454341143454).

The spelling of 122031013233 in words is "one hundred twenty-two billion, thirty-one million, thirteen thousand, two hundred thirty-three".

Divisors: 1 3 19 57 181 543 2789 3439 4241 8367 10317 12723 52991 80579 158973 241737 504809 767621 1514427 2302863 9591371 11828149 14584799 28774113 35484447 43754397 224734831 674204493 2140894969 6422684907 40677004411 122031013233